Now, on Wednesday, we're asking each other: Did you see that fireball? A bright ball of light streaked across the sky over New Jersey and surrounding states early Wednesday morning, leading ...

Its light was so bright that when I put my notebook into ... Will the rotating disco ball ever make a dance-floor comeback? Above all, you have to wonder: Will we ever fully understand light?

The heavy rain, bright flashes of lightning ... fork lightning which flows between a cloud and the ground. And even ball lightning. When lightning happens, it heats the air to around 10,000 ...

"A super bright flashlight is good for anytime you ... keeping in mind real-life factors that can decrease a light's output, which raw lumen outputs don't usually represent. A lumen is a unit ...

The IFLOLS unit generates its meatball through an optical trick: A stack of 12 light cells produces a single ball-shaped image ... and exits as an intensely bright line, about 10 inches long ...