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.
http://www.nasa.gov/mission_pages/msl/news/msl20120829f.html
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
Power standing wave null… more
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Power standing wave null? discussed the “Power Standing Wave” concept
unfolding on social media. Already a correspondent has asked if the graphs
given in P...
4 hours ago