Amazon S3 on MSN

50,000 LEDs light up a Christmas tree in amazing display

The science pros at TKOR light up a Christmas tree with 50,000 LEDs.
Amazon S3 on MSN

Weird and wildest facts about great inventors

Uncover the quirks of history's inventors in "25 Weird Facts of Our Great Inventors" WATCH OUR OTHER VIDEOS: â–º25 Quirky And ...