Physics by press release

Jonathan Amos at the BBC has an article about a car that's planned to achieve a speed of 1000 mph:
" its maximum velocity, the pressure of air bearing down on its carbon fibre and titanium bodywork will exceed 12 tonnes per square metre."
Wow, that sounds pretty heavy.

But normal atmospheric pressure on a square metre of your ordinary Ford Fiesta, or indeed your skin (if you have a square metre of that) is about 10 tonnes!

Careful in copying what the press releases say - it may not be as exciting as it sounds.


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