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Interesting but useless fact..

08 October 2007

By Tim Burrell

I just discovered one of those interesting but useless facts.  You’ve doubtless heard that the direction that water swirls round plug holes depends on which side of the planet you’re on.  Well apparently trees do that too!  I always knew that trees naturally twist in a spiral (which is why when cut into straight beams, the tension in the twist is unlocked meaning they don’t stay straight for long – and why the unskilled carpenter/CNC machine can’t cope), but I never realised that the direction of the twist varies in different parts of the hemisphere.

Isn’t nature a wonderful thing?!

(Yeah, OK I’ll get on with pricing that project now…….) 

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