NASAs newest tiny, cheap PhoneSat — a super cheap satellite made out of off-the-shelf Android hardware — has dialed home from orbit, meaning all systems are go. The 2.2-pound satellite was built using a heavily-modified Samsung Nexus S and uses a two-way S-band radio so that engineers can command it remotely. Its part of NASAs effort to explore cheaper satellite technology. It cost the space agency just $7,500
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