Engineering publications brought to you by Mark Allen

Electronics

Tiny devices could combat overheating in electronics

Sound in the round

Cracking the code

Smart grid and the frequency spectrum

Method could lead to smaller active/passive IR cameras

Virtual heart provides insight into atrial fibrillation

Novel solar cell could break conversion efficiency barrier

Pill-sized imaging device could improve Barrett's screening

The initial Formula E customer cars will be based on this Formulec prototype

Drayson confirms participation in Formula E electric racing

Radiation source could lead to more compact X-ray scanners

Gesture-recognition system could reduce surgical delays

High-tech, high jumps, and other highlights: The Engineer's best of 2012