British schoolkids' teddies win space race

I just love this:

i-6a548061be54417c50c283d0d1f88653-tedsinspace.jpg Cambridge University's Space Flight club got local school children to make space suits for these teddy bears, which were attached to a helium balloon that rose to 30km, enough to see the curvature of the earth. All teds were recovered safely. I expect Prof. Steve Steve to take the next flight up...

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Can't you see the curvature of Earth just by standing on the beach and looking at the horizon - or by going out at sunset and looking east to see the shadow of Earth on the sky?

Having said that, I remain envious of the teddies!