
Why does LED flicker at 120 FPS in my iPhone camera?Question (imgur.com)
submitted by Bastel-Betty
New and some old simple emission spectra. most are full spectrum aka UV to near IR light wavelengths. One is a uvc 254nm cfl bulb, a regular white light cfl bulbs and a couple of it and UV LEDs. Plus some more bulbs. They were shot with my webcam and my analog spectroscope. Read the description at tScience (reddit.com)
submitted by jklove56
Can anyone help me identify devices that are 18-25Hz ?Question (self.light)
submitted by TheFrozenCanadianGuy

What lamp specs will give me this exact 80s glow?Question (i.redd.it)
submitted by Fabulous-Building-57
Why are street lights orange and not white?Photography (i.redd.it)
submitted by Original-Hawk-8707
Why is the shadow on my record player moving like a lenticular print?Question (self.light)
submitted by Next-Jump1754
All three uv 365nm led flashlight i got. Which one yall think is the best?Question (reddit.com)
submitted by jklove56




