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Is it possible to measure the temperature of a giant laser beam?? By blowing up a few things with huge lasers, as well as a little math, I'll give you the answer!

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In this video I address one of my most asked questions, "how hot is that laser beam?" Truthfully, that question is bad and you should feel bad for asking (jk) but it brings up a good point on the similarities and differences between temperature, energy, and power. I start by sacrificing a thermometer to the 5W laser, and then burn things of higher and higher melting/combustion temps. Finally, the white hot glow on carbonized wood suggests peak temps over thousands of degrees.

More videos to come soon! Thank you to all of my subscribers (and especially patreon contributors) for sticking around even after I was gone for a year. I'm going to try making up for that with a video marathon!!

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