Just because you've got a sweet classic car doesn't mean you have to go with 1960s-era technology for your tunes. Hacking your radio for MP3 input is a simple DIY electronics project. Car enthusiast ...

Staff Sgt. Thornton, a mortarman, conducts a radio check with his forward observer in Afghanistan on Aug. 31, 2013. (1st Lt. Philip Back/U.S. Army) The U.S. Army is looking for additional input from ...