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Welcome to Perpetual Archive, a project to automatically archive and share YouTube Channels at maximum quality, as an alternative to incremental torrents.


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Name.extension Size Timestamp Hits
20130617 - Cryogenic Laser.description 239B1/14/2019 4:27:18 PM6
20130617 - Cryogenic Laser.jpg 82.9 KB1/14/2019 4:27:19 PM1
20130701 - Cryogenic Laser II.description 47B2/19/2019 7:02:37 AM5
20130701 - Cryogenic Laser II.jpg 142.4 KB2/19/2019 7:02:37 AM1
20130911 - Divergence.description 0B1/14/2019 4:26:06 PM8
20130911 - Divergence.jpg 64.9 KB1/14/2019 4:26:06 PM1
20130911 - Laser Projector.description 0B1/14/2019 4:26:15 PM6
20130911 - Laser Projector.jpg 86.8 KB1/14/2019 4:26:15 PM1
20130911 - Spatial Filtering.description 87B1/14/2019 4:25:19 PM3
20130911 - Spatial Filtering.jpg 92.4 KB1/14/2019 4:25:20 PM1
20130913 - High performance Laser Projector.description 104B1/14/2019 4:24:36 PM7
20130913 - High performance Laser Projector.jpg 42.0 KB1/14/2019 4:24:36 PM1
20130929 - High Power Diode Pumped Laser.description 316B1/14/2019 4:22:33 PM3
20130929 - High Power Diode Pumped Laser.jpg 104.8 KB1/14/2019 4:22:34 PM1
20131223 - High Power Red Laser Diode.description 322B1/14/2019 4:21:32 PM3
20131223 - High Power Red Laser Diode.jpg 73.5 KB1/14/2019 4:21:33 PM1
20140124 - Low Divergence Laser Projector.description 332B1/14/2019 4:20:34 PM4
20140124 - Low Divergence Laser Projector.jpg 105.5 KB1/14/2019 4:20:35 PM1
20140506 - Improving Laser Beams.description 110B1/14/2019 4:19:01 PM4
20140506 - Improving Laser Beams.jpg 76.3 KB1/14/2019 4:19:01 PM1
20141020 - Pulsed Dye Laser.description 0B1/14/2019 4:16:43 PM9
20141020 - Pulsed Dye Laser.jpg 92.9 KB1/14/2019 4:16:43 PM1
20150118 - Wavelength Division Multiplexing.description 176B1/14/2019 4:15:02 PM7
20150118 - Wavelength Division Multiplexing.jpg 105.9 KB1/14/2019 4:15:02 PM1
20150125 - 575nm Yellow Dye Laser - Reposted.description 306B1/14/2019 4:14:41 PM5
20150125 - 575nm Yellow Dye Laser - Reposted.jpg 13.2 KB1/14/2019 4:14:41 PM1
20150706 - World's Most Powerful Visible Diode Laser.description 48B1/14/2019 4:13:29 PM4
20150706 - World's Most Powerful Visible Diode Laser.jpg 104.3 KB1/14/2019 4:13:30 PM1
20151003 - High Performance Flash Lamps.description 474B1/14/2019 4:11:39 PM3
20151003 - High Performance Flash Lamps.jpg 77.8 KB1/14/2019 4:11:40 PM1
20161225 - 2016 Laser Christmas Show.description 0B1/14/2019 4:11:26 PM3
20161225 - 2016 Laser Christmas Show.jpg 37.2 KB1/14/2019 4:11:26 PM1
20170414 - High Energy Dye Laser Test Fire.description 193B1/14/2019 4:10:39 PM3
20170414 - High Energy Dye Laser Test Fire.jpg 47.2 KB1/14/2019 4:10:39 PM1
20170420 - High Energy Dye Laser Power Supply.description 133B1/14/2019 4:09:09 PM4
20170420 - High Energy Dye Laser Power Supply.jpg 67.2 KB1/14/2019 4:09:10 PM1
20170504 - A New Beginning - Drones, Radio, Chemistry, Computers, Distilling and still Lasers..description 183B1/14/2019 4:08:45 PM1
20170504 - A New Beginning - Drones, Radio, Chemistry, Computers, Distilling and still Lasers..jpg 172.3 KB1/14/2019 4:08:45 PM1
20170509 - Heavy Lift Carbon Fiber Drone.description 108B1/14/2019 4:07:53 PM6
20170509 - Heavy Lift Carbon Fiber Drone.jpg 146.7 KB1/14/2019 4:07:53 PM1
20170514 - High Energy Dye Laser Reflector Fabrication.description 108B1/14/2019 4:06:57 PM3
20170514 - High Energy Dye Laser Reflector Fabrication.jpg 125.6 KB1/14/2019 4:06:58 PM1
20170523 - How to make High Performance Smoke Devices - Part 1.description 232B1/14/2019 4:05:21 PM4
20170523 - How to make High Performance Smoke Devices - Part 1.jpg 80.5 KB1/14/2019 4:05:22 PM1
20170523 - How to make High Performance Smoke Devices - Part 2.description 232B1/14/2019 4:06:24 PM3
20170523 - How to make High Performance Smoke Devices - Part 2.jpg 124.9 KB1/14/2019 4:06:24 PM1
20170530 - High Energy Dye Laser Optical Design.description 63B1/14/2019 4:04:29 PM4
20170530 - High Energy Dye Laser Optical Design.jpg 118.5 KB1/14/2019 4:04:30 PM1
20170703 - Making Colored Smoke Devices for 4th of July.description 422B1/14/2019 3:45:52 PM2
20170703 - Making Colored Smoke Devices for 4th of July.jpg 91.3 KB1/14/2019 3:45:53 PM1
20170817 - HUGE Drone Propellers - Build or Buy.description 74B1/14/2019 3:36:44 PM2
20170817 - HUGE Drone Propellers - Build or Buy.jpg 147.7 KB1/14/2019 3:36:44 PM1
20170829 - Building Drone Rotors - PART 1.description 101B1/14/2019 3:32:18 PM3
20170829 - Building Drone Rotors - PART 1.jpg 102.8 KB1/14/2019 3:32:19 PM1
20170904 - Building Drone Rotors - PART 2.description 148B1/14/2019 11:02:44 PM1
20170904 - Building Drone Rotors - PART 2.jpg 177.4 KB1/14/2019 11:02:44 PM1
20170916 - Drone Race and Exhibition.description 199B1/14/2019 3:22:51 PM4
20170916 - Drone Race and Exhibition.jpg 327.3 KB1/14/2019 3:22:52 PM1
20171003 - Building Drone Rotors - PART 3.description 116B1/14/2019 3:03:36 PM4
20171003 - Building Drone Rotors - PART 3.jpg 262.4 KB1/14/2019 3:03:37 PM1
20171028 - Building Drone Rotors - PART 4 - The Testing.description 76B1/14/2019 2:57:15 PM4
20171028 - Building Drone Rotors - PART 4 - The Testing.jpg 195.1 KB1/14/2019 2:57:16 PM1
20171112 - Powerful LED Aquarium_Grow Light Assembly.description 69B1/14/2019 2:44:05 PM5
20171112 - Powerful LED Aquarium_Grow Light Assembly.jpg 95.4 KB1/14/2019 2:44:05 PM1
20171208 - Composite Core Construction.description 91B1/14/2019 2:40:26 PM3
20171208 - Composite Core Construction.jpg 150.0 KB1/14/2019 2:40:27 PM1
20171228 - Active Noise Cancellation.description 153B1/14/2019 2:38:01 PM3
20171228 - Active Noise Cancellation.jpg 261.0 KB1/14/2019 2:38:01 PM1
20180111 - Hybrid Drone Generator.description 108B1/14/2019 2:30:16 PM6
20180111 - Hybrid Drone Generator.jpg 109.1 KB1/14/2019 2:30:17 PM1
20180112 - Heavy Lift Drone - Sneak Peek.description 85B1/14/2019 2:29:43 PM5
20180112 - Heavy Lift Drone - Sneak Peek.jpg 92.9 KB1/14/2019 2:29:44 PM1
20180117 - Laser Safety and You.description 105B1/14/2019 2:26:52 PM3
20180117 - Laser Safety and You.jpg 71.3 KB1/14/2019 2:26:52 PM1
20180129 - Fantastic DIY Speakers for less than $30!.description 164B1/14/2019 2:14:38 PM8
20180129 - Fantastic DIY Speakers for less than $30!.jpg 136.1 KB1/14/2019 2:14:39 PM1
20180209 - Drone Generator Performance.description 124B1/14/2019 2:11:08 PM3
20180209 - Drone Generator Performance.jpg 111.6 KB1/14/2019 2:11:08 PM1
20180221 - Helium the World's Best Sound Suppressor.description 190B1/14/2019 2:03:10 PM5
20180221 - Helium the World's Best Sound Suppressor.jpg 112.6 KB1/14/2019 2:03:12 PM1
20180304 - Drone Generator 2,000W and Beyond.description 94B1/14/2019 2:01:36 PM5
20180304 - Drone Generator 2,000W and Beyond.jpg 95.6 KB1/14/2019 2:01:36 PM1
20180315 - Helium vs Noise.description 136B1/14/2019 1:55:19 PM6
20180315 - Helium vs Noise.jpg 126.8 KB1/14/2019 1:55:19 PM1
20180403 - Optical Chocolate - Making Diffraction Gratings.description 130B1/14/2019 1:42:33 PM2
20180403 - Optical Chocolate - Making Diffraction Gratings.jpg 123.8 KB1/14/2019 1:42:34 PM1
20180412 - Timber Frame Laboratory _ A Tour of Our Shop.description 119B1/14/2019 1:37:08 PM7
20180412 - Timber Frame Laboratory _ A Tour of Our Shop.jpg 131.2 KB1/14/2019 1:37:09 PM1
20180514 - Hybrid Jet Engine.description 163B1/14/2019 1:32:33 PM5
20180514 - Hybrid Jet Engine.jpg 62.1 KB1/14/2019 1:32:33 PM1
20180531 - World’s Best Speakers!.description 1.1 KB1/14/2019 1:21:29 PM4
20180531 - World’s Best Speakers!.jpg 108.2 KB1/14/2019 1:21:29 PM1
20180624 - Banana Brandy - Making Ugandan Waragi (Moonshine).description 483B1/14/2019 12:53:37 PM5
20180624 - Banana Brandy - Making Ugandan Waragi (Moonshine).jpg 135.9 KB1/14/2019 12:53:37 PM1
20180624 - Distillation.description 226B1/14/2019 1:09:52 PM4
20180624 - Distillation.jpg 88.8 KB1/14/2019 1:09:52 PM1
20180726 - Magnetohydrodynamics - Propelling Liquid Metal with Magnets!.description 101B1/14/2019 12:38:27 PM4
20180726 - Magnetohydrodynamics - Propelling Liquid Metal with Magnets!.jpg 130.9 KB1/14/2019 12:38:28 PM1
20180904 - Extreme Magnets.description 103B1/14/2019 12:29:40 PM5
20180904 - Extreme Magnets.jpg 107.1 KB1/14/2019 12:29:41 PM1
20180913 - Lunar Warfare - Lasers or Projectiles.description 237B1/14/2019 12:18:14 PM4
20180913 - Lunar Warfare - Lasers or Projectiles.jpg 70.0 KB1/14/2019 12:18:15 PM1
20181007 - Interview and Exhibit with Raven Larcom – Talking about Bugs!.description 497B1/14/2019 12:10:18 PM3
20181007 - Interview and Exhibit with Raven Larcom – Talking about Bugs!.jpg 106.5 KB1/14/2019 12:10:18 PM1
20181021 - Hybrid Jet Engine - Update 2.0.description 370B1/14/2019 12:03:16 PM5
20181021 - Hybrid Jet Engine - Update 2.0.jpg 116.9 KB1/14/2019 12:03:17 PM1
20181025 - Testing the Hybrid Jet Engine - Update 3.0.description 372B1/14/2019 2:59:12 AM3
20181025 - Testing the Hybrid Jet Engine - Update 3.0.jpg 103.8 KB1/14/2019 2:59:13 AM1
20181108 - Anechoic Chamber - DIY Sound Absorption Panels.description 278B1/14/2019 2:57:18 AM4
20181108 - Anechoic Chamber - DIY Sound Absorption Panels.jpg 87.1 KB1/14/2019 2:57:19 AM1
20181121 - Jet Bike - DIY Demo and Test Drive.description 962B1/14/2019 2:46:49 AM3
20181121 - Jet Bike - DIY Demo and Test Drive.jpg 215.3 KB1/14/2019 2:46:50 AM1
20181201 - 100,000 Subscribers! What's Next.description 218B1/14/2019 2:43:41 AM2
20181201 - 100,000 Subscribers! What's Next.jpg 119.0 KB1/14/2019 2:43:42 AM1
20181213 - DIY Digital Data Sender.description 689B1/14/2019 2:31:15 AM2
20181213 - DIY Digital Data Sender.jpg 75.8 KB1/14/2019 2:31:15 AM1
20190103 - BUILD YOUR OWN REFRIGERATOR! - SOLID STATE TEC.description 277B1/14/2019 2:06:08 AM5
20190103 - BUILD YOUR OWN REFRIGERATOR! - SOLID STATE TEC.jpg 118.1 KB1/14/2019 2:06:09 AM1
20190110 - TESTING OUR DIY REFRIGERATOR! - TEC_PELTIER.description 370B1/14/2019 2:02:35 AM2
20190110 - TESTING OUR DIY REFRIGERATOR! - TEC_PELTIER.jpg 114.9 KB1/14/2019 2:02:35 AM1
20190131 - VERY POWERFUL MAGNETS… THE EASY WAY.description 287B1/31/2019 2:02:35 PM6
20190131 - VERY POWERFUL MAGNETS… THE EASY WAY.jpg 122.0 KB1/31/2019 2:02:35 PM0