YouTube user magx1 builds a lot of home-made gas lasers, running electric current through sealed tubes filled with various gases. When you do that, you get the gas atoms all riled up and their electrons absorb energy. Eventually, that energy gets released in the form of directional, highly focused light—a laser. There's a bit more to it than that, but you've got the idea.
One type of laser magx1 builds is called a carbon dioxide laser, though it actually contains a mixture of carbon dioxide, nitrogen, hydrogen and helium. In this video, the carbon dioxide in the mix is coming from his own breath.
By exhaling into my 'supply' balloon, I was able to get pretty good results considering! Unlike a 'proper' laser mix of CO2, N2, and He; the 'breath' trick appears to have a much narrower pressure range over which lasing will occur. But I like it anyway - it doesn't get much more DIY than this!
The Breitbart chief and Trump campaign CEO’s sexist bullying was evident in the early days of Biosphere 2 in Arizona, then a quasi “space colonization” and environmental research project. Stephen K. Bannon, who recently took a leave from running Breitbart.com to become Donald Trump’s chief campaign executive, once bullied women in the historic environmental research […]
Jesse Singal requested this shoop, and I delivered. After all, who’s downloading pirated papers? Everyone. (I’ve uploaded this to Redbubble if you’d like a poster—of course, you can just as well pirate it.)
Finding quality icons is a challenge for designers, and can also get pretty costly if you use them often. And when you’ve got a lot to do, the last thing you want to spend your time on is creating new icons from scratch That’s why we recommend using the Noun Project ($49). Noun Project is a site […]
While Netflix and Hulu have seemingly dominated the streaming market with their limited selections, we’ve looked a little outside the box and found something pretty great as an alternative. SelectTV combines all the content of cable with the convenience of streaming, and it’s affordable too.SelectTV is an online subscription service that packs an impressive library of over […]
These days, the vape market is saturated with low-quality products, making it nearly impossible to separate the gems from the duds. The Atmos Rx Dry Herb Vaporizer stands out from crowd for two reasons: its impressive battery life and durable construction. This high-end little gadget is compact enough to fit in your pocket, and packs a powerful punch, […]