News tagged with cell phone

ROHM demos compact hydrogen fuel cell

(Phys.org)—Japanese electronic parts supplier ROHM has unveiled a compact hydrogen fuel cell, capable of recharging cell phones, tablet computers, etc., at this year's CEATEC—Japan's largest consumer ...

Oct 03, 2012 report
4 / 5 (2) 7 | with audio podcast

Rare earth metals: Will we have enough?

Life in the 21st century wouldn't be the same without rare earth metals. Cell phones, iPads, laptops, televisions, hybrid cars, wind turbines, solar cells and many more products depend on rare earth metals ...

Sep 20, 2012
4.1 / 5 (8) 13

First mammalian 'cell phone'

(Phys.org)—Researchers from ETH Zurich have quite literally created a "cell phone": they have reprogrammed mammalian cells in such a way that they can "phone" each other via chemical signals.

Sep 17, 2012
4.5 / 5 (2) 1 | with audio podcast

'Spoofed' GPS signals can be countered, researchers show

(Phys.org) -- From cars to commercial airplanes to military drones, global positioning system (GPS) technology is everywhere -- and Cornell researchers have known for years that it can be hacked, or as they call it, "spoofed." ...

Jul 24, 2012
4.8 / 5 (5) 4 | with audio podcast