News tagged with power consumption

Nvidia Tegra 3 quad-core chip stokes tablet wars

(PhysOrg.com) -- Nvidia has launched its Tegra 3, the quad-core chip designed for mobile devices. Tech and investor blogs were busy yesterday assessing what this means for upcoming tablets and smartphones ...

Nov 10, 2011 report
4.5 / 5 (11) 2 | with audio podcast

Temperature differences give rise to electricity

More than half of today's energy consumption is squandered in useless waste heat, such as the heat from refrigerators and all sorts of gadgets and the heat from factories and power plants. The energy losses ...

Nov 09, 2011
4.7 / 5 (6) 3

The perfect clone: Researchers hack RFID smartcards

Professional safecrackers use a stethoscope to find the correct combination by listening to the clicks of the lock. Researchers at the Ruhr-University Bochum have now demonstrated how to bypass the security mechanisms of ...

Nov 03, 2011
not rated yet 1

Moving forward, spin goes sideways

Building electronic devices that work without needing to actually transport electrons is a goal of spintronics researchers, since this could lead to: reduced power consumption, lower levels of signal noise, faster ...

Oct 07, 2011
4 / 5 (3) 1

Nvidia says Kal-El chip will have five cores

(PhysOrg.com) -- Nvidia says its upcoming Kal-El chip (Tegra 3) will have five cores, not four. The news appeared this week when the Santa Clara company announced a white paper describing the architecture of this system-on-a-chip for mobile computing. ...

Sep 22, 2011 report
4.9 / 5 (7) 10 | with audio podcast