Tag Archives: entropy

Does sound make heat?

This is just a link to another of those quick physics answers I do sometimes for BBC Science Focus: Does sound make heat? The previous one of these sort of connected with a conversation I had on twitter. I think … Continue reading

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What time is it and why?

The particles of which the universe is made don’t much care which way time goes. But we do, and so do the stars and the planets. At the Guardian.

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Entropy in the kitchen

One of the best discussions I’ve had in the comments on this blog was about entropy, and it took us from black holes to a cup of tea. This excellent video completes the journey, and then some At the Guardian.

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