I offered people $100 if they could read a paragraph from a book out loud. Things got a little crazy. https://en.wikipedia.org/wiki/Combination_tone
posted by newtboy 8 months 2 weeks ago • 374 views • 11:26search results matching tag: laser
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Marv Adams, deputy administrator for defense programs at the National Nuclear Security Administration explained what happened in the successful fusion experiment with a prop.
posted by newtboy 1 year 6 months ago • 299 views • 1:42From Youtube, "NERC's Space Geodesy Facility, hidden away in the English countryside, fires lasers at satellites. Because it turns out that knowing a satellite's position exactly is really, really difficult.... continue reading
posted by w1ndex 2 years 9 months 1 week ago • 612 views • 3:17Does a green laser pointer stop working when it is cold? Or does it turn into an invisible laser? That is nice to know for safety reasons if you are using a green laser pointer to point out stars on a... continue reading
posted by blacklotus90 3 years 9 months 1 week ago • 811 views • 9:01From Youtube, "What started as a simple desire for a better arc lighter got carried away and I ended up making the scariest device I've ever built. In this video I tested a plasma lighter and attempted... continue reading
posted by w1ndex 3 years 10 months 1 week ago • 55 views • 26:02I just don't trust these things, and this clever attack isn't helping things any.
posted by moonsammy 4 years 5 months 2 weeks ago • 361 views • 18:57YouTube description: As a little girl, Basma Hameed suffered a painful accident that left half of her face obscured by third-degree burns. She endured hundreds of surgeries and laser treatments to repair... continue reading
posted by Aard Vark (oritteropo) 5 years 4 months 2 weeks ago • 477 views • 3:32YouTube description: Let's find out how they put 3D images into glass objects. Known as a 'Bubblegram', vitrography or sub-surface laser engraving, this technology has been around for a very long time... continue reading
posted by Aard Vark (oritteropo) 6 years 1 month 3 weeks ago • 308 views • 6:28"That's Badass!" YouTube: Neil deGrasse Tyson explains how Albert Einstein correctly predicted the existence of gravitational waves.
posted by PlayhousePals 7 years 6 months 3 weeks ago • 489 views • 2:07YouTube Description: Tuning forks are wonderful tools for teaching physics. In this video and accompanying article, James Lincoln, Physics Teacher at Tarbut V Torah High School highlights 10 enriching... continue reading
posted by Aard Vark (oritteropo) 9 years 6 months ago • 207 views • 5:16A less-than-exciting video explaining the details of lunar ranging experiments using "retro-reflectors" left on the moon from various moon landings. As explained in the video, retro-reflectors are not... continue reading
posted by rancor 9 years 8 months 3 weeks ago • 228 views • 9:59YouTube Description: Light is so common that we rarely think about what it really is. But just over two hundred years ago, a groundbreaking experiment answered the question that had occupied physicists... continue reading
posted by aaronfr 1 decade 1 year 3 months 2 weeks ago • 1,437 views • 7:40Mind blown by lasers.
posted by messenger 1 decade 1 year 4 months 1 week ago • 377 views • 4:12Researcher Ceri Brenner uses the Vulcan laser, a Petawatt Laser at the STFC's Central Laser Facility to create tiny balls of plasma for physics research. Relax and enjoy an education in laser based physics... continue reading
posted by RFlagg 1 decade 3 years 3 months ago • 1,299 views • 5:39An explanation of what temperature is as it relates to the energy of a molecule, and the process of how physicists use lasers to cool atoms of gas.
posted by reiwan 1 decade 4 years 6 months 3 weeks ago • 3,506 views- 1