Of course you could get a red, green and blue LED and combine them together to make a white light, but that's not how most of them work. Instead, a white LED is either a violet or ultraviolet LED ...

While saber-tooth tigers are no longer a threat, there’s also no need to sit in the gloom during a summertime power outage or in the wake of a disaster. There’s also no need to burn up your phone ...

070303-N-9689V-001PERSIAN GULF (March 3, 2007) - A series of images was taken aboard USS Boxer (LHD 4) showing the moon during a full lunar eclipse while the ship was conducting operations in the ...

Instead, make this DIY light that can be powered by your phone line ... Make a DIY Phone-Line Powered Flashlight for Your Next Power Outage. Adam Dachis. June 13, 2011 ...