rationalskepticism.org

The_Metatron wrote:

rplatell wrote:Well he may not have succeeded in proving that the world is flat, but he sure did confirm the law of gravity.

Could probably work out a thing or two about the hardness of the earth.

Although to be fair, those things can be experienced and demonstrated from simpler devices such as a step ladder, allowing for repeated experiments..not sure his would be the best way forwards unless more flat earthers fancy becoming flat liners