

By Doug Gross, CNN
What if you could power up your smartphone with just a brisk walk?
That’s the promise of Power Felt, a new creation of nanotechnology researchers at Wake Forest University.
It’s a fabric, made up of tiny carbon nanotubes locked in flexible plastic fibers, that uses temperature differences to create a charge. FULL POST

By Brandon Griggs, CNN
Trying to find an address in an unfamiliar neighborhood can be a challenge even with a GPS device.
Peering at the small screen on your dashboard distracts your eyes from the road ahead. The spoken navigation commands can be confusing – did she mean turn here, or at the next street? And pulling up your location on your phone while behind the wheel is dangerous.
Researchers at AT&T Labs and Carnegie Mellon University may have a solution: a steering wheel that uses haptic technology - the same thing that makes your phone vibrate - to alert drivers when it's time to make a turn. FULL POST
By Steve Almasy, CNN
Holger Hermanns wasn’t out to change the way people bike.
For the computer scientist, whose mission in life is to make things safer through well-prepared wireless systems, cycling is just a hobby.
But when he helped develop a braking system for bicycles that needs no cables and is operated by a sensor in the handlebar, the cycling industry took notice.
“This is a playground for us,” Hermanns told CNN by phone. “I never thought someone would be seriously interested in this.” FULL POST

