Archive for October 25th, 2013

Recently I heard someone who cycled the 1400 km from John O’Groats to Lands End, with a headwind all the way, because it looked on the map as if it was downhill and hence easier. (I am grateful to Neil Swainston of the University of Manchester for this anecdote.)

You might think that “down” on the page is unlikely to be “down” in 3D space, but there is an interesting exception to this, at least for certain interpretations of “down”. (more…)