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laurence44

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laurence44

Toppling glasses

Falling Glasses When a wine glass topples over is it more likely to break if it topples onto granite than onto wood? Consider an empty stemmed glass stationary at its toppling point. It falls and...
16:13 Sun 27th Mar 20113 answers, last by wildwood 05:12 Mon 28th Mar 2011
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laurence44

Noise from a curved road

Consider a straight busy fast road. At a constant distance from it the noise level is constant. What happens if the road curves? Intuition suggests that on the inside of the bend a point will receive...
16:26 Sat 06th Jun 20095 answers, last by Teddio 17:35 Sun 07th Jun 2009

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