This Is What Happens in Slow-Mo When You Shoot Liquid Drops With Lasers
12-15-2014, 05:58 PM
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This Is What Happens in Slow-Mo When You Shoot Liquid Drops With Lasers
Very cool video of lasers in and out of focus hitting droplets of ink in extreme slow motion.
This Is What Happens in Slow-Mo When You Shoot Liquid Drops With Lasers
http://gizmodo.com/this-is-what-happ...d-d-1647548095
http://www.youtube.com/watch?v=bRbHDtPbHe0
This Is What Happens in Slow-Mo When You Shoot Liquid Drops With Lasers
Lasers? Fun. Slow motion? Beautiful. Shooting things with lasers and recording what happens in slow motion? That'll be what happens in this beautiful video.
The headline may sound like it over-promsies but actually it... doesn't, really. This video shows how shooting small droplets of liquid with incredibly short laser pulses can create all kinds of fascinating results—from vaporization to plasma generation—some of which are really quite violent. In fact, it's physics like this that is increasingly used to carve out the most cutting-edge semiconductor microchips.
The video was put together by researchers from the University of Twente in the Netherlands. The high-speed shots were captured at 20,000 frames per second—but using a neat stroboscopic illumination set-up, the result are effectively 10 million frame per seocnd. The video is wonderfully explained the whole way through, so sit back and soak it in. [Physics of Fluids]
The headline may sound like it over-promsies but actually it... doesn't, really. This video shows how shooting small droplets of liquid with incredibly short laser pulses can create all kinds of fascinating results—from vaporization to plasma generation—some of which are really quite violent. In fact, it's physics like this that is increasingly used to carve out the most cutting-edge semiconductor microchips.
The video was put together by researchers from the University of Twente in the Netherlands. The high-speed shots were captured at 20,000 frames per second—but using a neat stroboscopic illumination set-up, the result are effectively 10 million frame per seocnd. The video is wonderfully explained the whole way through, so sit back and soak it in. [Physics of Fluids]
http://gizmodo.com/this-is-what-happ...d-d-1647548095
http://www.youtube.com/watch?v=bRbHDtPbHe0
12-15-2014, 06:29 PM
#2
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What they didn't mention is this is a very highly specialized laser. We use them at work and they're called YAGs. They work on the principal that when you have so much energy in a small area, you ionize the air and it causes a burst at the focal point... Basically a small explosion from the ionized air.
What's really cool is they blow cataracts off the inside of people's eyes using this.
What's really cool is they blow cataracts off the inside of people's eyes using this.
12-15-2014, 06:32 PM
#3
Moderator
Basically, I think people are confusing art for science. These are known principals and this particular experiment is not useful for anything in particular.