'Newton's G-ball', marketed by Swedish company Mollic, is a simple electronic timing device which can be used to measure the freefall time from its point of release to impact on a surface below. It is available from a number of third party suppliers, including djb microtech, Better Equipped and TIMSTAR in the UK and Arbor Scientific in the US. The...
Cloud chambers
Thanks to Dr Aidan Robson from Glasgow University I was able to borrow a set of cloud chamber kits which I have used with my Higher physics classes this week. This facility is now available to any physics teachers in the central belt, via an on line booking facility, with kits available from both Glasgow and...