Modern LED technology promised safer roads. Instead, it's creating a blinding menace that regulators refuse to address.

Light box therapy can help treat circadian rhythm disorders and mood issues. The light in a light box should have an intensity of about 10,000 lux to be effective. Exposure to bright light in the ...

Handheld light meters used to be a photography staple, but as cameras with built-in light meters became both more prevalent and reliable, these devices became increasingly obsolete for everyday use.