Engineering publications brought to you by Mark Allen

Plastic Logic chief receives knighthood

Flat lens works by smooth variation of liquid crystals

Worm gear helps astronomers with Big Bang theory

Ball Valve sprays either way up

Gooey blobs eliminated in dispensers

Advanced materials cycle to advantage

Precision spray forming gets much faster

Bad bugs detected by sensors

Planetary rollers have the power of the force

Grand challenges push aero innovation

Magnet moves ball for fast response

Best of British triumph in exports