I read Tuffnell's Toffees for Buttery Fingers at Word Soup on the 27 October 2011. Now that I've come to terms with my adenoidal Lancashire accent & nervous stuttering I kind-of think it went okay... http://www.youtube.com/watch?v=_ABLRawErfc
How to Use an iPhone and Physics to Measure the Height of a Building With an ... Accelerometer? - The iPhone makes it easy to do all kinds of cool physics. Like, say, use the change in velocity in an elevator to measure the height of a building.
3 hours ago