Jim, K1KJW, and others alerted me to this very cool move by the inventive minds at JPL. They put a Morse Code pattern in the tire treads of the Curiosity rover. So now as it drives around, it spells out JPL in the Martian regolith.
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
FS: WWII T240/SRT10 CW/AM Transmitter - I have for sale my U.S. Army Signal Corps T240/SRT10 CW/AM Transmitter. It comes with the power supply and the original manual. I haven’t gotten to it in 1...
2 hours ago