I built a 1,000,000,000 fps video camera to watch light move скачать в хорошем качестве

I built a 1,000,000,000 fps video camera to watch light move

Visit https://brilliant.org/alphaphoenix/ to start your free 30-day trial, and get 20% off a premium annual subscription! So apparently buying a high speed camera wasn't enough, because after two videos with it I decided to build my own, but 5 orders of magnitude faster… In this video I'm filming the motion of light as it flies across my garage at… well, the speed of light! It's fast. So fast that even with my best setup so far, I get 18 frames of video from one end of the room to the other, and those frames have a lot of temporal blur so realistically each "frame" is actually kind of an average of the information that by right should belong to 5-10 frames. It's a mess, but it works. I'm using the technique from the electricity waves video where I used repeated oscilloscope measurements synced after the fact to produce "videos" of electricity moving down a wire. The only difference is that instead of measuring electricity waves, I'm measuring light emitted by a laser, bouncing off the wall, traveling to my camera, and landing in the window of a photomultiplier tube. UNLIKE the electricity waves video, this setup (thankfully) is automated, and an optics assembly slews across angle space, building up a 3d dataset of video, collecting all the time information from each pixel sequentially. It's a really fun project that I've wanted to do for a long time, and just recently got pulled together. Hope you enjoy! Relevant AlphaPhoenix videos: Electricity waves:    • Watch electricity hit a fork in the road a...   Electricity waves (experimental details):    • How to measure waves of electricity   Replicating the original speed of light measurement:    • Measuring the speed of light the old fashi...   Massive thanks to my top Patreon supporters! birdiesnbritts John Sosa Trustham Vladimir Shklovsky Aloysius Sparglepartz Jason Whatley Lohann Paterno Coutinho Ferreira Jeffrey Mckishen nothings Eugene Pakhomov Glenn Willen R520 Nick F Mirko Rener Chris Connett Tyler Filla Miles Freeman Benjamin Manns MPG Seth Reuter Danny Thomas Toby T Lucy Fur tiaz David Antoš Chris Duvarney Nick Wage John T Jack Serrino Ethan Sifferman Dit55 Chapters: 0:00 Intro - What's a lightspeed camera? 2:30 Watch light move 3:43 Forming an image from many observations 6:20 Time-of-flight delay 9:52 The light has to turn on fast 14:14 The sensor has to turn on fast 18:23 Photomultiplier tubes 20:11 Building and testing the camera 23:56 Breaking the camera 25:00 Hero shots 27:23 Brilliant.org Media Credits: I Dunno by grapes is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...) http://ccmixter.org/files/grapes/16626 Arcadia - Wonders by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...) Source: http://incompetech.com/music/royalty-... Artist: http://incompetech.com/ Run by Ethan Meixsell - YouTube Audio Library License Switched on Carcassi by Brian Bolger - YouTube Audio Library License Disco Knights by Quincas Moreira - Youtube Audio Library License Visualizing video at the speed of light — one trillion frames per second Massachusetts Institute of Technology (MIT)    • Visualizing video at the speed of light — ...   The Waymo Driver navigating freeways Waymo    • The Waymo Driver navigating freeways   VFX Artists DEBUNK FLYING ORB UFO Videos Corridor Crew    • VFX Artists DEBUNK FLYING ORB UFO Videos   "In a cave with a box of scraps" meme from Iron Man