Smoke columns, waterfalls and Coriolis

Surfing the net you often happen to notice images of smoke columns getting out from volcanos and raising up to great altitudes. This is a phenomenon  by many considered to be  a clear evidence  the Earth is not spinning. Many people could  get the same impression in relation with high waterfalls: the fact that water falls on a straight line and doesn’t bend would be a clear consequence of the Earth being stationary and not[…]

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