This week’s Feedback column (that I write) in New Scientist magazine has four segments. Here are bits of each of them: Cola: a swell tale — … If you are a male mouse who drinks lots of Pepsi or Coca-Cola, and if you mainly enjoy reading manly adventure stories, get yourself a copy of the latest write-up from […]
David Jones some years ago assaulted humanity’s embarrassing lack of understanding of why moving bicycles are so stable. Jones performed a series of experiments, from which he learned some surprising things. He revealed them in this article: “The Stability of the Bicycle,” David E.H. Jones, Physics Today, April 1970, pp. 34-40. (Thanks to Catherine Klauss […]
A moving bicycle, when no one is riding it, is more stable than many people expect, but it is not completely stable. Here’s a curious look into the how and why of that: “It Takes Two Neurons to Ride a Bicycle,” Matthew Cook, at Caltech, demonstration at NIPS 4 (2004). Cook explains: Past attempts to […]
A ‘Dandy Horse’ was the colloquial name given to a primitive pedal-less bicycle which was a fashionable mode of transport in Europe around 1819. Fast forward to 2008, when a US patent was granted for an ‘Apparatus for Shifting Weight from a Runner to a Wheeled Frame ‘ – which, at first glance seems remarkably similar. […]