Senior Robotics Design Engineer at the Shadow Robot Company, where I have worked for about 20 years now.
Author of The good-looking textured light-sourced bouncy fun smart and stretchy page.
27 What happens to the magnetic field in this case? Feb 21 '13
11 How can rising bubbles shrink and disappear? Dec 27 '11
11 Is Newton's third law always correct? May 28 '14
4 What is difference between white objects and transparent objects as far as photons are concerned? May 30 '14