Ancient Knowledge and Technology

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"It's more than any human can begin to comprehend. Like the universe, it's infinite. It's not just knowledge and information—it's understanding on a level that you will never reach."
—Daniel Jackson to Replicator Carter, 8.17 "Reckoning Part 2"


The Ancients are a race of humans who have existed for millions of years and were the builders of the Stargates. Through the access to their knowledge and technology, the humans of Earth have gained considerable ground in keeping several galaxies safe from terrible oppressors and enemies.

Ancient Knowledge

The SG-1 team has had two members who have harbored the knowledge of the Ancients. Jack took two temporary downloads from Repositories of Knowledge (2.16 "The Fifth Race", 7.21 "Lost City Part 1", 7.22 "Lost City Part 2", 8.01 "New Order Part 1", 8.02 "New Order Part 2") and Daniel learned the "infinite" knowledge of the Ancients while he was ascended (5.21 "Meridian", 7.01 "Fallen Part 1", 7.02 "Homecoming Part 2", 8.19 "Reckoning Part 1", 8.20 "Reckoning Part 2").

Jack's First Download

Jack takes first download of Repository of Knowledge
Jack uses Ancient knowledge
Jack travels to meet the Asgard

When Jack had the knowledge of the Ancients downloaded the first time (P3R-272), he wrote a formula for computing stellar drift on the chalkboard in Daniel's lab in base eight math (octal). This formula may also have been input by him when he made massive amounts of code changes to the SGC's dialing computer system. Carter considered the formula "revolutionary."

Although they have never been able to build one of their own, Jack drew the detailed schematics of the Dial Home Device (DHD) when he had the knowledge download the first time. Carter read these schematics to override a freeze in the dialing sequence on a DHD on a planet with two suns. It is possible that the severe heat from the suns had damaged the DHD originally.

Jack also input the addresses of Stargates in the Milky Way Galaxy which did not appear on the Abydos Cartouche. These planets were most likely not known to the Goa'uld and were, therefore, quite valuable. The planets were thought to be mostly those of the Ancients and to have Ancient technology on them. The SGC could also use these addresses for Alpha Site candidates. About four and half years after the addresses had been input into the SGC's computer, the SGC had sent out probes to only about a quarter of them, indicating that there were hundreds, if not thousands, of these planets. There was one planet from this list which had advanced lifeforms, but they were not friendly to Earth (4.20 "Entity"). For the most part, however, these planets have been uninhabited (4.06 "Window Of Opportunity", 7.17 "Heroes Part 1", 7.18 "Heroes Part 2", 7.21 "Lost City Part 1", 7.22 "Lost City Part 2") or inhabited by friendly people (3.20 "Maternal Instinct", 7.01 "Fallen Part 1").

Jack's first download of the Repository of Knowledge also revealed the existence of an eight-symbol address to dial a Stargate outside the Milky Way Galaxy. The first planet reached in another galaxy was Othala in the Ida Galaxy, home of the Asgard. The eight-symbol address still has the point of origin last, but the seventh symbol adds a distance calculation to the coodinates in space which are defined by the first six symbols. While visiting the Asgard, Jack learned that the Ancients were indeed the builders of the Stargates and had moved on from their region of space a long time ago.

The trip to the Ida Galaxy was powered by a generator Jack built with the knowledge of the Ancients. The materials he used to build this generator were from common items found on the base, plus the liquid naquadah power source in a staff weapon. The generator blew out after its first use, but was fixed by Carter and an alternate reality version of her, Dr. Samantha Carter (Mrs. Jack O'Neill). They took the generator to the alternate reality to power the Stargate to contact the Asgard to save Earth from Apophis' invasion. The generator remained in that alternate reality and, if procedures were followed, the Quantum Mirror used to get to that alternate reality was destroyed. (3.06 "Point Of View")

Jack's Second Download

Jack takes second download of Repository of Knowledge
Jack enters stasis chamber to save his life
Jack in Thor's care

Jack's second download of the Repository of Knowledge (P3X-439) revealed the location of two of the Ancients' outposts: one on the planet Praclarush Taonas, the other, in Antarctica. Jack also taught Daniel that the Stargate symbols represented not only constellations, but sounds. The address of Praclarush Taonas was constructed by the six syllables of the planet's name. The point of origin for Earth has the sound "at" associated with it.

Jack modified a Goa'uld cargo ship using Ancient knowledge. His first modification was to the engines, enhancing their performance so that they would reach Praclarush Taonas before he ran out of time from the side effects of the download. His second modification was to the ring transporter where he enhanced the light beam to melt a mile of ice over the Antarctic Outpost. The cargo ship was considered one of the most advanced pieces of technology that Earth possessed, but it was destroyed in the Othala Galaxy where the planet Hala was located. Carter and Teal'c had taken it to find the Asgard so that they could unload the Ancient knowledge from Jack like they had the first time, but the ship was destroyed from the gravitational effects of a black hole the Asgard had created to destroy all of the Replicators which were entrapped on Hala. Some of the Replicators escaped, however, and headed for the Asgard's new homeworld. (6.12 "Unnatural Selection", 8.01 "New Order Part 1")

The Asgard were familiar with the Ancients and their legacy. They had tried to learn from a copy of the Repository of Knowledge accessed by the Asgard hundreds of years ago (when Thor was young). The information stored in the Repositories is so vast that Thor suggested that it was infinite. When Thor beamed Jack from the stasis chamber in the Antarctic Outpost to a stasis chamber on his ship, the Daniel Jackson, he suggested that he connect Jack's mind to the ship's computer so that Jack could use the knowledge to create a weapon to destroy the Replicators. Jack designed a disruptor gun and then Thor removed the knowledge from his mind once more. The new weapon worked, but some of the Replicators escaped before the energy wave could be emitted by the Daniel Jackson to destroy the Replicators which were invading the Asgard's planet. (8.02 "New Order Part 2")

Daniel's Ascended Knowledge

Daniel as an Ascended Being
Daniel remembers what the Abydos tablet says after his return to human form
Daniel recalls Ancient knowledge from his time ascended

When Daniel, as an Ascended Being, discovered the tablet on Abydos which was written in one of the oldest forms of the Ancient language, he was able to read the writings with great ease. He related what he read to Carter and Jonas and spoke of the "Lost City." Daniel was removed from his confrontation with Anubis before he used his ascended powers to destroy him. At that point, the rest of SG-1 thought that he was destroyed in the encounter. But, Daniel was pulled away by Oma Desala before The Others got a hold of him and did something more drastic. Daniel chose to return to human form, but part of the arrangement was that his memories were to be erased. Oma disobeyed the rules (again) and merely buried Daniel's memories. When Daniel returned to the SGC after having been found on the planet Vis Uban, his memories started to return. One of the skills which came back full force, even before his memories of all of his prior life, was the ability to read the Ancient writings. He corrected Jonas's erroneous translations of the Abydos tablet, again showing the ease with which he read the language as he had demonstrated on Abydos while he was an Ascended Being. Daniel's ability to read the oldest form of the Ancient writing placed him in the middle of a dangerous mission to hack into Anubis's computer systems on his mothership. Anubis, too, had learned the language of the Ancients and used it to encode his computer systems. Daniel and Jonas were successful in their mission and Anubis's superweapon, and ultimately his mothership, were destroyed. (6.22 "Full Circle", 7.01 "Fallen Part 1", 7.02 "Homecoming Part 2", 8.18 "Threads")

Daniel's knowledge of the Ancients' language made him invaluable to the SGC. The fact that he had been an Ascended Being made him the target of those who thought he had memories of that time, which included Ancient knowledge of the locations of powerful Ancient weapons. Replicator Carter knew that Daniel might harbor that kind of knowledge in his subconscious, so she kidnapped him. While Replicator Carter probed Daniel's mind, it was discovered that he not only had the ability to translate the writings of the Ancients, but he also retained the entirety of the Ancients' knowledge. Daniel had a complete version of the Repository of Knowledge, as well as other knowledge he obtained while ascended, stored deep in his subconscious. He was never able to access the information on his own, but with Replicator Carter's "help," he not only gained access to some of the knowledge but used it to take control of the Replicators that were all over the galaxy. Through Replicator Carter's distribution of the knowledge she obtained from Daniel to her "brethren," Daniel piggy-backed the command to freeze every Replicator out there. This bought Jacob/Selmak enough time to activate the weapon on Dakara that destroyed all the Replicators. Replicator Carter killed Daniel to break his control and he died on the ship right before it disintegrated. Oma Desala saved him and offered him ascension one more time, but he returned to human form after he had a hand in eliminating Anubis on his plane of existence. Unlike his first return from ascension, Daniel maintained his memories of his life before he died on Replicator Carter's ship without having to go through any form of amnesia. (8.16 "Reckoning Part 1", 8.17 "Reckoning Part 2", 8.18 "Threads")

Daniel downloads Merlin's consciousness
Daniel demonstrates ascended-level powers
Merlin protects Daniel as Adria converts him into a Prior

While Daniel was ascended, he caught the attention of some of The Others, although he himself admitted to Jack that he had never met any of them at the time he enlisted SG-1's help in defending Abydos against Anubis. The Lantian Ancient Morgan Le Fay (Ancient name, Ganos Lal) had been witness to Daniel's time among the Ascended, and she recalled very distinctly how he always spoke from the heart when he asked her for help against the Ascended Beings known as the Ori, rivals of the Ancients' ancestors, the Alterans, from millions of years ago. Morgan did all that she could to aid Daniel in his search for Merlin's weapon, then known as the Sangreal, that could be used against the Ori, but was pulled away by The Others for her interference. When Morgan was taken away, Daniel realized that The Others had no intention of helping defeat their own enemy. (6.22 "Full Circle", 10.03 "The Pegasus Project")

Daniel's search for the Sangreal ended when he found Merlin in a stasis chamber on another planet. Merlin had been ascended at one time, but because of the Ori threat, he retook human form to develop his weapon. When he returned to mortal form, Merlin retained his powers and knowledge, making him the most powerful being on Earth from over a thousand years ago. Merlin and Daniel discussed Daniel's history as an Ascended, and Merlin appeared to be able to search Daniel's mind for his history with the Ancients, especially with Oma Desala. Merlin felt that Oma had seen something in Daniel that made him worthy of the gift of ascension that Oma had given to him. (10.11 "The Quest Part 2")

Merlin chose Daniel to harbor his own consciousness so that they could build another one of his weapons. Merlin uploaded his consciousness into a Repository of Knowledge and Daniel downloaded it by looking into the device just like Jack had done both times he had taken a download of the Ancient knowledge. This download, however, was limited, and during their time together, Merlin modified Daniel's physical form to be able to use such advanced knowledge and power. Daniel began to demonstrate advanced human and ascended-level powers as Merlin began to take over his body. When Daniel was captured by the Ori's advanced human representative, Adria, Merlin protected Daniel from Adria's powers, even after Adria converted Daniel into a Prior. (10.11 "The Quest Part 2", 10.14 "The Shroud")

After SG-1 captured Daniel as a Prior, they restrained him and interrogated him to determine his intentions. Jack was brought in to talk with Daniel, and it was during one of their conversations that Daniel spoke about his time with Jack in Ba'al's prison. Up until that point, it hadn't been clear as to whether or not Daniel still harbored any of his knowledge from that time (especially after his second time when he was in the presence of some of The Others), but because of Jack's strong reaction to Daniel's reminder, it might have been possible that Merlin had brought forth that memory from Daniel's time as an Ascended, indicating that his Ancient knowledge might still be harbored in his subconscious mind. (10.11 "The Quest Part 2", 10.14 "The Shroud")

Together, Daniel and Merlin had used Merlin's ascended knowledge to accomplish several technological feats, including the rebuilding and detonation of Merlin's weapon against the Ori, but none of which Daniel could remember how to repeat after Merlin returned Daniel's body to the way it was before the download and then left him. (10.14 "The Shroud")

Ancient Technology

Stargate - The Ancients were the race who built the Stargate network throughout the Milky Way and Pegasus Galaxies. There is at least one Stargate in the Ida Galaxy (home of the Asgard). There are thousands of Stargates in existence and the SGC has yet to visit each one. The two main sources of Stargate addresses have been the Abydos Cartouche and the Repository of Knowledge database. There have been a handful of addresses which have been provided by other means. (1.02 "Children Of The Gods Part 1", 2.16 "The Fifth Race")
Dial Home Device (DHD) - The DHD is encased in a pedestal and has 38 symbols which match those on its Stargate plus a large activation button in the center. Each symbol lights up as the address is entered. Usually, each Stargate has a DHD nearby. The SGC does not have a DHD, however, and uses a bank of supercomputers to operate their Stargate instead. (1.01 "Children Of The Gods Part 1")
UV Shield Generators — Originally thought to be of Goa'uld design, these UV Shield Generators had main control boards that followed the same basic circuitry patterns as the Stargate technology, making them Ancient in origin. The Goa'uld often claimed that Ancient technology, such as the Stargates, was their own, so the populations left behind by the Goa'uld continued this folklore. Even Teal'c believed that the Goa'uld had terraformed planets for human habitation. It wasn't until later that it was determined that the Ancients were the originators of the Stargates and other such advanced technology that the Goa'uld had falsely claimed as their own. The UV Shield Generators worked in tandem to create an orange force field dome that blocked the harmful UV radiation on the planet P3X-513. (1.06 "The First Commandment", 2.16 "The Fifth Race", 6.02 "Redemption Part 2")
Library of the Four Races - The device which contained the library of the four races (Ancients, Asgard, Furlings, Nox) looked strickingly similar to the Dial Home Device. Although the information contained in the library was most likely from all four races, the device itself appeared to be of Ancient design. The only Library of the Four Races found was on Ernest Littlefield's planet (P3X-972) and it is most likely that the device was destroyed when the building in which it was stored collapsed. (1.11 "The Torment Of Tantalus")
Repository of Knowledge - There have been two planets discovered thus far which have the Ancients' Repository of Knowledge devices (P3R-272, P3X-439). In both cases, Jack took downloads from them and utilized the information to accomplish amazing goals: discovering a method of dialing the Stargate in another galaxy using additional power and an eight-symbol address, and determining the location of Ancient Outposts in the Milky Way Galaxy where power sources and advanced weaponry are kept. Both Repositories are no longer accessible (one's energy source expired and the other was blown up with explosives to prevent it from falling into Anubis's hands). (2.16 "The Fifth Race", 7.21 "Lost City Part 1")
Ancient Time Machine - The Ancients on P4X-639 attempted to build a time machine so that they could go back in time and avoid a catastrophe which threatened their existence. This catastrophe is believed to have been the plague which killed off many of the Ancients millions of years ago. The time machine did not work and its builders shut it down, wrote of their efforts on the walls surrounding the device, and let the end come. (4.06 "Window Of Opportunity")
Stargate Destroyer - The Stargate Destroyer uses a Stargate to destroy another Stargate by establishing a wormhole to the victim Stargate and sending an energy beam which causes a build-up in the Stargate's storage capacitors. The energy beam builds this power slowly, almost without detection, until the target Stargate overloads. The naquadah with which the Stargate is built enhances the explosion, guaranteed to not only destroy the Stargate, but ultimately the planet (due to changes in the atmosphere and weather). Anubis found one of these Stargate Destroyers and it was destroyed by Teal'c's son, Rya'c. The address or name of the planet was not disclosed. (6.01 "Redemption Part 1", 6.02 "Redemption Part 2")
Interdimensional Device - SG-1 discovered an interesting device in an Ancient research facility on the planet P9X-391. They brought it home and suddenly, everyone on the base was seeing these strange creatures (some of them extremely insect-like). After Jonas Quinn translated some of the glyphs, they determined that the device was designed for one to observe creatures in dimensions close to his/her own. The particle wave that the device emitted was like food to attract the creatures and anyone who touched the machine would be able to see them. If a person touched the device, their natural electrical field was changed so that the person could see the closest dimension. The ability to see this dimension was passed on from person-to-person through touch. Carter and Jonas modified the placement of the power crystals of the device and reversed its charge so that a person would no longer see the creatures. The disposition of the device is not known (either it was returned to the planet or it was sent to Area 51 for further study). (6.13 "Sight Unseen")
DNA Manipulation Device - The DNA Manipulation Device was discovered on the planet designated P3X-367 and was in the hands of the Goa'uld Nirrti who was continuing her pursuit of creating the perfect human host. The subject would stand on a raised platform and the device would display the double helix structure of his/her DNA in a holographic projection. The control console of the Manipulator permitted the operator to rotate the holographic projection of the DNA strand and also to actually make modifications to the subject's DNA. Nirrti used this device on the inhabitants of the planet and caused tremendous mutations in their physical and mental forms. The inhabitants discovered Nirrti's deception, killed her, and destroyed the device after they used it to restore all those who were affected by DNA changes. Another DNA Manipulation Device was discovered in an underground lab on the planet P3X-584 and was used by Anubis to advance a human-Goa'uld hybrid toward ascension. Anubis's experimentation was much more sophisticated than Nirrti's because he had discovered Ancient research on ascension. The DNA Manipulation Device could have been used by the Ancients to artificially ascend, to activate the gene needed to operate most of their technology, to render gene therapy for various afflictions, to find ways to cure victims of the plague, or to find methods of killing the plague itself. (6.16 "Metamorphosis", 8.18 "Threads", 9.09 "Prototype")
Telchak Device - The Telchak Device is named after the Goa'uld Telchak who used its design to create the first sarcophagus. The technology worked as a healing device for the Ancients, but it proved dangerous to humans if they were exposed to it for too long a time at too close a distance. Anubis conquered Telchak, but never found the device. He understood the technology, however, and used it to give life to his Kull Warriors. If a human were exposed to the powers of the device after death, the energy absorbed by the dead tissue reanimates it—creating a zombie. The Telchak Device was hidden in a subterranean structure built by the Mayans in modern-day Honduras and spawned the Fountain of Youth myth. It was discovered by Dr. Daniel Jackson and Dr. Bill Lee and studied by the Tok'ra to help the SGC develop a weapon which would counteract the Kull Warriors' life energy. (7.11 "Evolution Part 1", 7.12 "Evolution Part 2", 7.16 "Death Knell")
Zero Point Module (ZPM) - A Zero Point Module (ZPM) is a power source which can last several thousand years. Fully-charged or operational ZPMs are very rare now. In the Milky Way Galaxy, three have been found with some or all power available: one from the Ancient Outpost on the planet Praclarush Taonas which was used to power Earth's defenses in the Antarctic Outpost and to establish a stable wormhole to the Pegasus Galaxy (it is now depleted); one found by the Goa'uld System Lord Camulus, but was tainted and unuseable; and one found in a First Dynasty Tomb in Egypt, placed there by a future version of SG-1 who traveled back in time to 3000 B.C. (7.22 "Lost City Part 2", 8.04 "Zero Hour", 8.19 "Moebius Part 1", 8.20 "Moebius Part 2")
Ancient Outpost Defense Weapons - The various Outposts that the Ancients left in the Milky Way had a command chair that controlled powerful weapons. Only someone with the Ancient gene could activate the systems controlled by the chair. Jack used two chairs in two different Outposts: one on Praclarush Taonas and the other in Antarctica. Atlantis has at least one of these chairs as well. The weapons platform on Earth was moved from the Antarctic Outpost to Area 51, and soon thereafter was destroyed during a Wraith attack. But, Atlantis returned to Earth at the same time, so the planet still has this type of technology to protect it against an alien attack. (7.22 "Lost City Part 2", Stargate Atlantis: 1.20 "The Siege Part 2", 5.20 "Enemy at the Gate")
Ancient Stasis Chamber - The Ancients had a stasis chamber in the Antarctic Outpost which was used by Jack after he took the second download from the Repository of Knowledge. Jack remained in the stasis chamber until SG-1 could get help from the Asgard. A similar chamber was found in Anubis's underground lab on the planet P3X-584 where he kept his human-Goa'uld hybrid Khalek, an experiment in artificially advancing a human toward ascension. Another chamber was found still operational after 10,000 years in the city-ship Atlantis. The stasis chamber does not "freeze" the subject completely, but merely slows down the metabolism (metabolic stasis). (7.22 "Lost City Part 2", 8.02 "New Order Part 2", 9.09 "Prototype"; Stargate Atlantis: 1.15 "Before I Sleep")
Ring Transporter - Ring Transporters were used extensively by the Goa'uld who had taken advantage of much of the Ancients' technology, including the Stargate network. The Ring Transporter transports the traveler on a radiant matter stream. If a traveler or object is standing on the platform when another transporter is activated, the objects switch places, so the matter streams travel in two directions. Ring Transporters have companion Ring Platforms which can be specifically targeted. A Ring Platform, however, is not necessary for the transporter to function if the originating transporter is close enough to the target coordinates. The Earth ship, Prometheus, had a Ring Transporter installed on Deck 4, and there are Transporters present in the Antarctic Outpost and Avalon on Earth. (6.20 "Memento", 7.22 "Lost City Part 2", 9.01 "Avalon Part 1")
Atlantis - The city-ship Atlantis is one of the most advanced spacecraft ever seen by the SGC. Its size is comparable to Manhattan, and it has within it a database of Ancient knowledge and advanced weapons. Many labs exist in the city as well. The Atlantis Expedition Team lives in the city which also has a Stargate, the only one in the Pegasus Galaxy able to dial Earth. AFter five years under the control of the Expedition in Pegasus, Atlantis returned home to Earth and is currently sitting cloaked in the Pacific Ocean outside San Francisco Bay. (Stargate Atlantis)
Puddle Jumper and Ancient Timeship - The Ancient Timeship discovered on Harry Maybourne's planet was most likely built by Janus, an Ancient who returned to Earth when Atlantis was abandoned in the Pegasus Galaxy 10,000 years ago. Janus built a time machine inside a small spacecraft, nicknamed by Maj. John Sheppard as a "puddle jumper," and stored it in the jumper bay among all of the other jumpers. The timeship left on Harry's planet had a Stargate dialing computer in its dashboard with the symbols of the constellations of the Milky Way Galaxy, so it is most likely meant to travel within this galaxy's Stargate network. The timeship was used by a future version of SG-1 to travel back in time to 3000 B.C. in order to retrieve a ZPM. The time traveling team placed the ZPM in a First Dynasty Tomb so that the future versions of themselves would not have to travel back in time to retrieve the ZPM. In the current timeline of SG-1, the timeship is being studied by scientists at Area 51. (8.13 "It's Good To Be King", 8.19 "Moebius Part 1", 8.20 "Moebius Part 2", Stargate Atlantis: 1.15 "Before I Sleep")
Ancient Communications Stones - The Ancients had gene-triggered long range communications devices that appeared like dark stones with glyphs etched in them. One of them was found on P3R-233 and the other at a garage sale in Indiana after it was uncovered during an archaeological dig in Egypt. The devices were activated by anyone who had the Ancient gene and linked the minds of the users so that each had visions of the other's thoughts. These Stones were used in conjunction with the Communications Terminal discovered in the caverns of Avalon to form a subspace communications link with people in a distant galaxy, but they, along with the Terminal, were destroyed in the unstable vortex of the Stargate's wormhole as the only way to sever the psychic link they had formed between Daniel Jackson and Vala Mal Doran and a married couple named Harrid and Sallis. The data collected during these links, however, was successfully used to create an Emulator. A similar set of stones was discovered in Janus' secret lab in Atlantis and a terminal and its stones were found on another planet in the Pegasus galaxy that allowed complete body swapping, even if only one side of the link didn't have a terminal. (8.15 "Citizen Joe", 9.03 "Origin Part 3", 9.19 "Crusade Part 1"; Stargate Atlantis: 5.18 "Identity")
Weapon on Dakara - The weapon on Dakara was built by the Ancients to break down an object into its basic components. Based on the frequency programmed into the device's control panel (which looks very much like the control panel of the Ancient time machine on P4X-639), the objects destroyed could either be technology or lifeforms. Recently, the weapon was used in conjunction with the Stargates of the Milky Way Galaxy to send an energy wave to destroy the Replicators. It could have just as easily been configured to destroy all life in the galaxy, as was the intent of Anubis. The weapon was destroyed by the Free Jaffa Nation who had taken Dakara in their battle for freedom. It is said that this same device was used to reseed the Milky Way Galaxy with life after the plague which killed several Ancient worlds swept through the galaxy millions of years ago. The Weapon was destroyed when the Ori's human-form representative Adria fired on it from space with the energy weapon of her warship. (8.16 "Reckoning Part 1", 8.17 "Reckoning Part 2", 8.18 "Threads", 10.07 "Counterstrike")
Ancient Holographic Technology - A very sophisticated version of holographic technology was revealed in the caverns of Avalon in the depths of Glastonbury Tor, Somerset, England. There were two types of holograms in that cavern: one was merely a projection (Merlin); the other, a type of hologram which was physically interactive (sword in the stone, the knight in armor and his sword). The Atlantis Expedition Team found a holographic recording of the first type in Atlantis upon their arrival. This hologram contained the explanation of why the last of the city-dwellers returned to Earth 10,000 years ago. (9.01 "Avalon Part 1", 9.02 "Avalon Part 2"; Stargate Atlantis: 1.01 "Rising Part 1")
Ancient Communications Terminal - This communications terminal was designed to be used in conjunction with the long range communications stones to link the users across galaxies. If a link were established with only one terminal, then those users took control of the minds and bodies of those who merely possessed the stones. The terminal derives its power from subspace and forms a subspace link to connect its users in over great distances (such as separate galaxies). There are eighteen positions into which a communications stone may be inserted to form the link. The only terminal discovered by the SGC was destroyed in the unstable vortex of the wormhole in order to sever the subspace link. A similar model was discovered in the Pegasus galaxy, but it operated slightly differently in that links were full body swaps, even if one side of the communications link had only the stones. (8.15 "Citizen Joe", 9.02 "Avalon Part 2", 9.03 "Origin Part 3"; Stargate Atlantis: 5.18 "Identity")
Eye of the Gods - The Eye of the Gods was left by the Ancients of P9G-844 and found and used by the Sodan Jaffa who discovered the planet 5,000 years ago. The technology is hidden inside a stone obelisk and transports people from the site of one Eye to that of another. The user inputs a code and all of those within a close proximity are transported. Similar obelisks were discovered on planets used by Morgan Le Fay to hide Merlin in stasis. These obelisks automatically dialed the Stargate to other planets within Morgan's private network and transported people, as well as Merlin's lab, through the Stargate. (9.08 "Babylon", 10.11 "The Quest Part 2")
Brain Scanning Device - This device was used in conjunction with the DNA Manipulation Device discovered on P3X-584 where Anubis had created a human-Goa'uld hybrid named Khalek. The scanner was a small unit and was used mostly to examine Khalek's brain functions. Major Altman successfully interfaced the device with the SGC's computers so that its output could to be displayed and recorded, and eventually simulated. (9.09 "Prototype", 9.10 "The Fourth Horseman Part 1")
Arthur's Mantle - Arthur's Mantle is the name given to the interdimensional device developed by Merlin by the writers of Arthurian legends. The device was used as a research computer by Merlin to hide from the watchful gaze of the Ascended Ancients with whom he once belonged. Merlin retook human form in order to develop a weapon which could cancel out the energy of an Ascended Being, his target victims being the Ori, the Ancients' ascended rivals. Arthur's Mantle was discovered by the SGC among Merlin's treasure found in the underground caverns of Avalon. (9.02 "Avalon Part 2", 9.18 "Arthur's Mantle", 9.20 "Camelot Part 2")
Camelot's Sword in the Stone - Remarkably, the Sword in the Stone in the middle of the village of Camelot on another planet was able to determine the worthiness of the person who attempted to pull it out. The Sword was an actual physical weapon and the only one capable of being used against the holographic Black Knight Merlin had placed to guard his library. According to the legends, only one who had a pure heart could pull the Sword from the stone. A village girl named Valencia pulled the Sword when Cameron Mitchell was battling the Black Knight. Prophecies left by Merlin foretold that Arthur and his Knights of the Round Table would return to Camelot after the Sword was freed. (9.20 "Camelot Part 2")
Sangreal (Pendant)
Sangreal - The Sangreal (also, Sangraal, Blood Stone, Holy Grail, Merlin's Weapon, Anti-Ascended Weapon, Anti-Ori Weapon) was developed by Merlin in order to cancel out the energy of Ascended Beings. He began his research on Earth, but moved to a planet with a village called "Camelot". The Sangreal was originally thought to be a jewel-like stone worn as a pendant and stored within Merlin's treasures in his library in Camelot, but Daniel Jackson and Cameron Mitchell searched the library to no avail. The villagers told them that Arthur and his Knights of the Round Table had left long ago to search for it. Later, it was learned that the red jewel was merely a component of a larger device (see Merlin's Weapon below), but an important part of it — it was in fact the last stage and the key to operating Merlin's weapon. (9.20 "Camelot Part 2", 10.11 "The Quest Part 2")
Ark of Truth - The Ark of Truth is one of the oldest pieces of Ancient technology, having been created by Amelius, one of the Alterans (later known as Ancients) who left their home galaxy millions of years ago to escape the Ori. Both the Altera and the Ori were humans on the evolutionary path toward ascension, but the Ori greatly outnumbered the Altera and began building an army to wipe out the Altera because of their differing philosophies. Amelius wanted to expose the Ori to the light of the Ark of Truth to end their hatred and bloodlust, but the Alteran Council voted against using it because it was brainwashing and against their principles of honoring a man's right to exercise his own free will. Instead of destroying the Ark, Amelius left it behind when his people left their home in a spaceship. It rested in the rubble for millions of years until it was rediscovered by Daniel Jackson. The Ark was the key in putting an end to the Altera-Ori conflict millions of years later when it was used by SG-1 to stop the Ori's crusade of forced conversion in both their original home galaxy and the Milky Way. (Stargate: The Ark of Truth)

Technology Derived from Ancient Technology or Knowledge

Sarcophagus - The Goa'uld Telchak used the Ancient's healing device, now known as the Telchak Device, to create the first sarcophagus. The sarcophagus is used by the Goa'uld to prolong their lives. It has also been used as a stasis chamber. Human bodies are easily healed by the technology, even from death, but are adversely affected with addiction if continuously exposed to the energy of the device while healthy. (Stargate: The Movie, 2.05 "Need", 7.11 "Evolution Part 1")
Ancient Portable Power Generator - Using the knowledge gained from the first download of the Repository of Knowledge, Jack designed a power generator from various pieces of equipment he found on the base. This generator was designed to be connected to the power panels of the SGC base and allowed the Stargate to draw more power than it ever could otherwise. This extra power enabled the Stargate to form a stable wormhole to another galaxy (in this case, the Ida Galaxy, home of the Asgard). The generator used the liquid naquadah from a staff weapon as a key source of power. The generator blew out after its first use, but Carter and her alternate reality double, Dr. Samantha Carter, got it working once again. It was used and left in this alternate reality. (2.16 "The Fifth Race", 3.06 "Point Of View")
Weapon on Velona - The Ascended Being named Orlin gave the knowledge to build a powerful weapon to the people of Velona because he did not wish to see them destroyed by the Goa'uld. The Velonans used the weapon and the Goa'uld was destroyed, but soon thereafter, they decided to use the weapon to conquer neighboring worlds. The Others punished Orlin by destroying Velona and banishing him there. When the SGC substituted a naquadah reactor to generate the power to turn the weapon on once again, Orlin stepped in and prevented it and then destroyed the weapon for good. [Note: It is currently assumed that Orlin used his knowledge of the Ancients to help the Velonans to build this device, but it was not stated outright since The Others were not identified to have ascended Ancients among them until later in the series.] (5.03 "Ascension")
Kull Warriors - Anubis used the technology of the Telchak Device to design his own tissue animation system for creating his Kull Warriors. These beings were grown in a lab and then given life through the energy of the derived technology. The warriors were also implanted with Goa'uld symbiotes who were produced with low brain functions, basically making them easy to program to fit Anubis's needs. The SGC used the technology of the Telchak Device to counteract the life-energy of the warriors and they were eventually all defeated on Dakara. (7.11 "Evolution Part 1", 7.12 "Evolution Part 2", 8.18 "Threads")
Kull Warrior Nullifier - With the study of the Telchak Device, Carter and Jacob Carter/Selmak developed a weapon which emitted an energy blast which counteracted the life energy used to create the Kull Warriors. The device was first successfully used on the Alpha Site and was then adapted to fit on top of the SGC's weapons, its presence on the weapon is evident by its blue light. The energy emitted by the device also appears blue. (7.11 "Evolution Part 1", 7.12 "Evolution Part 2", 7.16 "Death Knell", 7.22 "Lost City Part 2")
Enhanced Cargo Ship - Using the knowledge gained from his second download of the Repository of Knowledge, Jack enhanced the engines of a cargo ship to make it fly extraordinarily fast. This enhancement allowed them to conduct a round trip between Praclarush Taonas and Earth at tremendous speed. Jack also made modifications to the cargo ship's ring transporter, making it emit a powerful energy beam which melted a mile of ice in the Antarctic to gain access to the Outpost buried there. The cargo ship was destroyed by the gravitational pull of a black hole where the planet Hala used to be. (7.22 "Lost City Part 2", 8.01 "New Order Part 1")
Replicator Disruptor Technology - While Jack carried the second download of the Ancients' knowledge, he designed a Replicator disruptor gun using this knowledge on an Asgard computer. The Asgard had the technology to produce a prototype from the design. It was meant to disrupt the link between the blocks which composed the Replicators. After it worked, Thor used the design to configure an identical energy wave using his ship, the Daniel Jackson, as the source of the wave. He rid the Asgard's homeworld of the Replicators which were physically on the planet, but some of them escaped. The Asgard then designed a satellite which emitted the same disruptor wave. That device was used at the Alpha Site to destroy Fifth and his ship. The wave's frequency was discovered by Replicator Carter and she developed an immunity to it. Thor and Carter modified the frequency and Thor used his ship once again to destroy Replicators which were onboard a Goa'uld ha'tak in the Milky Way Galaxy. When they attempted to use the energy wave a second time, however, they found that the Replicators learned how to adapt immunity to the wave through their subspace link. Eventually, the energy wave to destroy the Replicators throughout the Milky Way Galaxy was emitted by the weapon on Dakara which used similar technology to match the frequency within a margin of that of the modified disruptor wave. Eventually, Carter designed a personal defense weapon with crystal technology, and Lt. Col. John Sheppard called an "anti-Replicator gun", or ARP for short. (8.02 "New Order Part 2", 8.11 "Gemini", 8.17 "Reckoning Part 2"; SGA 3.10 "The Return Part 1")
Sodan Cloaking Device - The Sodan Jaffa who found a former Ancient planet (P9G-844) 5,000 years ago also found Ancient writings which taught them how to build these cloaking devices. The device appears to be a jewel set inside an armband and generates a cloak of invisibility around its user. Those who have cloaked themselves with this technology are able to see others who are also cloaked and can continue to interact in their physical environment unseen. (9.08 "Babylon")
Anti-Prior Device - Using the output from the Brain Scanning Device recorded while monitoring Khalek, the SGC developed this technology to interfere with the brain regions responsible for a Prior of the Ori's ability to use his mental powers. It operates on several frequencies which are adjusted with a remote hand-held control. Even though the effects of the device were temporary, they lasted long enough for a Prior to be incapacitated and overtaken. (9.10 "The Fourth Horseman Part 1")
Communications Stone Emulator - Using a Tok'ra subspace communicator and a computer at the SGC, Carter successfully emulated the Ancient Communications Stone with the data collected by Dr. Bill Lee while Daniel was using it. The resulting technology worked and Vala, using a Communications Terminal and Stone in the Ori's home galaxy, successfully used Daniel's body to convey her message of warning that the Ori were about to launch an invasion. (9.02 "Avalon Part 2", 9.03 "Origin Part 3", 9.19 "Crusade Part 1")
Merlin's Weapon - Merlin's Weapon had originally been identified as the Sangreal, thought to be a blood-red pendant capable of cancelling out the energy of Ascending Beings, but was later identified as a device of which the pendant was the final stage and key to making the weapon work. The original weapon built by Merlin was destroyed by Morgan Le Fay, but she placed Merlin in stasis so that he could build the weapon again if necessary. SG-1 discovered Merlin and removed him from stasis, but he was weakened by staying in the stasis chamber too long. Unable to complete the weapon on his own, Merlin uploaded his consciousness into an interface device similar to the Repository of Knowledge before he died, and Daniel downloaded Merlin into his own mind in order to complete the weapon. Together, Daniel and Merlin rebuilt and detonated the weapon against the Ori. Merlin returned Daniel to his state before the download and then left his body. SG-1 found out later that the weapon worked and the Ascended Beings known as the Ori were indeed eliminated. (10.11 "The Quest Part 2", 10.14 "The Shroud", Stargate: The Ark of Truth)
Earth's Long-Range Communications Technology - After several years of study, scientists in Earth's Stargate Program have successfully created their own version of the Ancients' Long-Range Communications Stones and Terminal. This technology has an advantage in that it can easily be turned off, thus severing the link on demand. Rather than having space for eighteen stones to be used simultaneously, this configuration has a maximum of five, but with the added advantage of being more compact and portable. (Stargate Universe: 1.01 "Air Part 1", 1.02 "Air Part 2", 1.03 "Air Part 3")

Articles on the Ancients

Library of the Four Races Repository of Knowledge Ancient Time Machine
Stargate Destroyer Ayiana of the Ancients Tablet Found on Abydos
Ancient Weapon on Dakara Ancient Timeship Merlin of the Atlantian Ancients

This series of articles covers the history, language, writings, knowledge, and technology of the Ancients.


Stargate SG-1

Stargate Atlantis

Stargate Universe

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--DeeKayP 15:10, 16 Apr 2005 (PDT)