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###How does gravity work?

###Mechanical explanations of gravitation

###Reversing gravity

How does gravity work?

Mechanical explanations of gravitation

Reversing gravity

###Consider mechanical explanations of gravitation

(In the real world, this was eventually reconciled through Einstein's theory of General Relativity, which posits that all objects are constantly in freefall, and that mass merely warps the structure of spacetime, affecting the direction and rate of that freefall.)

###How does gravity work?

(In the real world, this was eventually reconciled through Einstein's theory of General Relativity, which posits that all objects are constantly in freefall, and that mass merely warps the structure of spacetime, affecting the direction and rate of that freefall.)

###Mechanical explanations of gravitation

###Reversing gravity

In our world, gravity was arguably first accurately described (but not explained) by classical Newtonian mechanics. In this interpretation, gravity is a mysterious force that acts upon all objects. But what's generating this force? Where does it come from?

• Screening: The universe is flooded with tiny particles or waves traveling at high speed in all directions (let's call them gravitons). An object alone in space is bombarded by these gravitons on all sides with equal force, for no net effect. But when you introduce another nearby massive object, that object screens some of these gravitons, preventing them from reaching the first object and thus upsetting the balance, so it starts to move, in the direction of the screening object.

• Vortex: The universe is naturally jam-packed with aether which is in constant motion. It moves in circles around massive bodies. Centrifigul force pushes fine matter to the outer edges of these aether vortices while heavy matter resists (with its greater inertia) and eventually finds itself pushed toward the center due to the pressure imbalance. The visible effect of gravity is comparable to stirring a cup of hot chocolate and watching the foam congregate in the center of the vortex thus produced.

• Streams: The universe is (again) naturally jam-packed with aether, but matter acts like a sponge, soaking up the aether, and then either absorbing it (converting it into mass or energy) or transferring it into another world or dimension.

• Waves and Pulsation: All bodies pulsate, sending waves through the aether. Depending on the theory, either the wavelength or the phase of pulsation determines whether two bodies will attract or repel each other. This stems from the observation that if two spheres suspended in a fluid pulsate in phase, they will attract each other, but if they pulsate out of phase, they will repel each other.

In our world, gravity was arguably first accurately described (but not explained) by classical Newtonian mechanics. In this interpretation, gravity is a mysterious force that acts upon all objects at a distance. But what's generating this force? Where does it come from?

• Screening: The universe is flooded with tiny particles or waves traveling at high speed in all directions (let's call them gravitons). An object alone in space is bombarded by these gravitons on all sides with equal force, for no net effect. But when you introduce another nearby massive object, that object screens some of these gravitons, preventing them from reaching the first object and thus upsetting the balance, so it starts to move in the direction of the screening object.

• Vortex: The universe is naturally jam-packed with aether which is in constant motion. It moves in circles around massive bodies. Centrifigul force pushes fine matter to the outer edges of these aether vortices while heavy matter resists (with its greater inertia) and eventually finds itself pushed toward the center due to the pressure imbalance. The visible effect of gravity is comparable to stirring a cup of hot chocolate and watching the foam congregate in the center of the vortex thus produced.

• Streams: The universe is (again) naturally jam-packed with aether, but matter acts like a sponge, soaking up the aether, and then either absorbing it (converting it into mass or energy) or transferring it into another world or dimension.

• Waves and Pulsation: All bodies pulsate, sending waves through the aether. Depending on the theory, either the wavelength or the phase of pulsation determines whether two bodies will attract or repel each other. This stems from the observation that if two spheres suspended in a fluid pulsate in phase, they will attract each other, but if they pulsate out of phase, they will repel each other.