Technology

Hitting The Road Without A Driver

Engineers at Carnegie Mellon University are developing the ultimate in automotive sophistication: the driverless car. When NPR's Brian Naylor went there to check it out, he thought he'd be going for a spin on a test track. Instead, the car drove itself through suburbia.

Happy International Geocaching Day!

If you're scratching your head wondering what the heck geocaching is, Dave Prebeck fills us in. The president of the Northern Virginia Geocaching Organization tells host Scott Simon that geocaching is essentially "a high-tech scavenger hunt."