51动漫

From the top of (approximately 150 metres) on the UK鈥檚 west coast, can you see the curvature of Earth along the Irish Sea horizon? I thought I could, but my friend disagreed. If I鈥檓 wrong, how high would we have needed to be?

(Continued)

鈥� Every time I read yet another theoretical contribution to your debate over whether the curvature of the Earth is apparent from the top of Blackpool Tower, I turn to the front cover of the magazine just to check that the word 鈥渟cientist鈥� is really still there.

I would have thought that by now someone would have followed the scientific method: just do the experiment and report the result. I would certainly have had a look if I lived a little closer.

John Twin, Ross-on-Wye, Herefordshire, UK