What Happens if You Focus a 5W Laser With a Giant Magnifying Glass? Negative Kelvin Temperature!

Get your Action Lab Box Now! https://www.theactionlab.com/

Source on negative Kelvin:https://www.quantum-munich.de/media/negative-absolute-temperature-what-is-it/

In this video I show you what it means to have negative temperature by focusing a laser beam down to a single point. I show you what happens if you try to focus a light down to a single point, then I show you how a laser is different due to population inversion.

Follow me on Twitter: https://twitter.com/theactionlabman
Facebook: https://www.facebook.com/theactionlabrat

My Other Channel:
https://www.youtube.com/channel/UCA19mAJURyYHbJzhfpqhpCA

For more awesome videos checkout:
Darker Than Vantablack—Absorbs 99.9923% of Light
https://youtu.be/JoLEIiza9Bc

Amazing experiment actually makes black fire
https://youtu.be/5ZNNDA2WUSU

Crushing My Own Hand In a Hydraulic Press—Crazy Experiment on My Brain
https://youtu.be/AgN-YTdPl3s

What Does a 4D Ball Look Like in Real Life? Amazing Experiment Shows Spherical Version of Tesseract
https://www.youtube.com/watch?v=_4ruHJFsb4g

How I Made an Ant Think It Was Dead—The Zombie Ant Experiment
https://www.youtube.com/watch?v=ZPw9dSV6y2c

What Happens if You Open a Vacuum Chamber Under Water? And Do Vacuums Float?
https://www.youtube.com/watch?v=VugR1WdAOQw

Can Light be Black? Mind-Blowing Dark Light Experiments!
https://www.youtube.com/watch?v=p-OCfiglZRQ

Mirror-Polished Japanese Foil Ball Challenge Crushed in a Hydraulic Press-What's Inside?
https://www.youtube.com/watch?v=oJ2faqXlU1s

Mixing the World's Blackest Paint With the World's Brightest Paint (Black 2.0 vs LIT)
https://youtu.be/x5L4_GXePuk

Is it Possible to Unboil an Egg? The Amazing Uncooking Experiment!
https://youtu.be/QNV4gHWZ9p4

What if You Try To Lift a Negative Mass? Mind-Blowing Physical Impossibility!
https://www.youtube.com/watch?v=uAJlg8MDAlU

What Does a Giant Monster Neodymium Magnet do to a Mouse?
https://www.youtube.com/watch?v=V8-JfSXPDp0

The Worlds Blackest Black vs The Worlds Brightest Flashlight (32,000 lumen)—Which Will Win?
https://www.youtube.com/watch?v=AaFdCvnV8PM

How Much Weight Can a Fly Actually Lift? Experiment—I Lassoed a Fly!
https://www.youtube.com/watch?v=-xZoOUd172Q

DISCLAIMER: Any experiment you try is at your own risk