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25 July 2016

This is Why Satellite Pictures Look This Way

..and then there are these images, all from today Sunday 24 July 2016. It looks this way because of two main facts. 1. The Equator is hot, and the Poles are cold. 2. The Earth is rotating. Now, watch the video and understand (I still remember seeing this demonstration as a first year undergrad in meteorology.)


7 June 2015

The Greatest Geek Experiment Ever

Will toilets in different hemispheres drain in opposite directions? This has long been a great trivia question and the usual answer is that the radius of rotation is too small to detect any difference. This basically true, because the rotation you see mainly depends on how the toilet is constructed. However, if you control for everything, can you detect the coriolis force in the way a child’s kiddie pool drains?? …