Technology - Engineering news

Electricity from the exhaust pipe

Researchers are working on a thermoelectric generator that converts the heat from car exhaust fumes into electricity. The module feeds the energy into the car's electronic systems. This cuts fuel consumption and helps reduce ...

Jun 03, 2008 4.3 / 5 (39) 8

Electricity from body heat

Making calls from a cell phone with no battery, using just the warmth of your hand? Perhaps that’s no more than a pipe dream right now. But new circuits are already making it possible to harness body heat ...

Aug 01, 2007 4.5 / 5 (37) 0