61 weird and wonderful ways to measure a building with a smartphone – New Scientist

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4 November 2020

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Josie Ford

Heightened interest

Our hats, of which we have very many, are firmly off this week to Frédéric Bouquet and fellow inhabitants of the 15-metre-high Laboratory of Solid State Physics in Orsay, France, for their paper “61 ways to measure the height of a building with a smartphone” (arxiv.org/abs/2010.11606).

We are reminded of an urban legend about a physics student who later turned out to be Niels Bohr. When challenged during an oral examination to describe how he might do something similar with a barometer, he came up with several indubitably correct answers that contributed to …

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