A classic demonstration of the curvature of the Earth was performed by Alfred Russel Wallace in 1870:
http://blogs.scientificamerican.com…modern-biology-got-suckered-by-flat-earthers/
A classic demonstration of the curvature of the Earth was performed by Alfred Russel Wallace in 1870:
http://blogs.scientificamerican.com…modern-biology-got-suckered-by-flat-earthers/
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