Is it safe to use optoisolator for a longer period?
115903
Simple light bulb operated by button and optoisolator triac
60939
Are the insides of LCD monitors dangerous?
63030
Is Earth's orbit around the Sun affected by the ~8 minutes light delay?
4005
If refraction slows down light, isn't it possible to hold light still?
131493
Why one should follow Snell's law for shortest time?
129016
Optocoupler with phototransistor base lead
116708
Does it make you safer to use lights during the day?
67544
I/O Module with optocouplers
31697
Do eyeballs exhibit chromatic aberration?
58782
Why do everyday plastic items interfere with light polarizers?
127157
How to make a light emitting material sensitive to external light
19344
When is it okay to exceed the absolute maximum rating on a part?
60363
Photoelectric effect in a a frequency range
142585
Is there a theoretical maximum for refractive index?
128235
light point and photosensor
142641
Do Nondetection and Invisibility protect you from True Seeing?
69376
How do vision penalties due to darkness work?