There are flashlights and then there are FLASHLIGHTS and this DIY 72,000 lumen bad boy is definitely the latter type of flashlight. It was made by a guy called Samm Sheperd and it uses eight 100w LED ...
LED, or light emitting diode therapy, is a skincare treatment that uses varying wavelengths of light, including red and blue. NASA originally developed it for plant growth experiments on shuttle ...
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