The Brian Cox Wonders of the Universe programmes on Sunday nights have been brilliant. The second programme Stardust was probably the best documentary on Physics I've ever seen.
http://www.bbc.co.uk/iplayer/episode/b00zm833/Wonders_of_the_Universe_Stardust/
But you might have missed JimAl-Khalili on BBC4 on Monday night. He did a brilliant programme about why the sky is black at night even though the Universe is infinite in size. You should watch it! http://www.bbc.co.uk/iplayer/episode/b00yb59m/Everything_and_Nothing_Everything/
Thursday 24 March 2011
Saturday 19 March 2011
Estimation
There haven't been many posts recently. I've been very busy. Further to the last post - the estimation went like this:We thought that there might be 100 trees per row and 100 rows, meaning that 10,000 trees had been cut down. It seems a lot.
Next estimate the height of the turbine in the picture and the length of one blade. This turbine is at Watchtree.
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