Measuring noise
A hand-made steel trowel
Stainless steel spoon without any nickel
Alan Begg (SKF), Goran Nystrom (OVACO) and Pedro at Darwin College
An antenna to improve the 3G reception for the mobile telephone at Harry's home, following a suggestion from Professor Hans-Olof Andren of Chalmers University in Sweden
Yan Pei, Malcolm Gray (Microalloying Inc.), Frank Barbaro (Barbaro and Associates), Phil Kirkwood, Marcus Stuart (CBMM)
David Bombac at Pret-a-Manger
A fire engine in Market Square, Cambridge