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Could we use the coriolis effect to travel
Given a platform that is floating independent of Earth's gravity, would it be possible to put a platform over the equator and over the day, would the Earth rotate from under it allowing you to travel ...
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Interaction of geomagnetism on free falling coil
Take the Earth, or a similarly large body with an Electromagnetic field. For now - expect atmosphere.
Then take a much smaller object - say the size of bus, containing a coil with many windings.
If ...
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How far is the horizon, if a 2m tall man watches to the sea?
How far is the horizon, if a $r=2 m$ tall man watches to the sea?
I have calculated that it would be even just about 6 km. if R = radius of earth( $6370 \cdot10^3$ m ).
By pythagorean theorem we ...
