can we get electrical energy from gravitational energy?
35154
Can the Earth's magnetic field be used to generate electricity?
70649
Noticing that Newtonian gravity and electrostatics are equivalent, is there also a relationship between the general relativity and electrodynamics?
22931
Does a charged particle accelerating in a gravitational field radiate?
91664
When a planet is heated through gravitational pull, where is the energy taken from?
144274
Why mass & energy bend spacetime?
129980
Does potential energy in gravitationall field increase mass?
58219
The effect of gravitational & Coulomb forces on free electrons in a conductor
117087
How gravity can give energy for unlimited time?
147954
Relation between power and energy
28543
How does gravity increase (or, at least, not-decrease) entropy?
82377
Is it possible to produce gravitational waves artificially?
123654
How can energy be useful when it is 'abstract'?
52598
How can I interpret "energy" in signals?
156197
How much energy does lowering an object into a black hole generate?
146039
Is it always possible to define energy of a system?
94778
Why can't I do this to get infinite energy?
58462
Impossibility of time travel due to energy conservation?