Isotropy and anisotropy: When a material is attacked by a liquid or vapor etchant, it is removed isotropically (uniformly in. all directions) or anisotropic etching (uniformity in vertical direction).
Some Questions Do Remain: 1  If the Earth was flat, we could travel to the place where the Earth and sky met. But we canât. 2  If the Earth was flat, we could reach the place where we could reach out and touch the Sun. But we canât. 3  If the Earth was flat, we could fall off the horizon. But we donâ 4 t. If the Earth was flat, it would simply fall.
The Flat Earth Society (also known as the International Flat Earth Society or International Flat Earth Research Society) was founded by Englishman Samuel Shenton in 1956. Shenton initially accepted the globe theory of the Earth, and indeed suggested his own innovation on how to make use of the Earth's rotation.