Very cool: Japanese students sent up a small satellite. One of its capabilities is to flash Morse code messages in the visible light range using LEDs. Prepare to peg your geek meter:
http://www.fit.ac.jp/~tanaka/fitsat.shtml
Our book: “SolderSmoke — Global Adventures in Wireless Electronics” http://soldersmoke.com/book.htm Our coffee mugs, T-Shirts, bumper stickers: http://www.cafepress.com/SolderSmoke Our Book Store: http://astore.amazon.com/contracross-20