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Debanjan Biswas
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16 votes
4 answers
3k views

Does dusk really remain for a shorter period of time at the equator?

15 votes
3 answers
3k views

Is it possible to convert gravitational energy directly into electrical energy?

1 vote
2 answers
102 views

How much time after will two oppositely charged particles collide for both gravitational force and electrostatic force?

0 votes
2 answers
87 views

Is energy only the change in spacetime of an object with respect to an observer?

0 votes
1 answer
36 views

What if there are three less neutrons in $_{89}^{238}U$? [closed]

0 votes
1 answer
55 views

Does a wave effect remain in spacetime at the quantum level?

0 votes
6 answers
74 views

Why does it represent change in velocity?

0 votes
1 answer
98 views

Is it possible to convert static electricity into current electricity?

0 votes
0 answers
46 views

Specialising Archimedes' principle

0 votes
2 answers
74 views

Problem about understanding Relative Motion

0 votes
2 answers
102 views

Why do two molecules of an element attract each other?

-4 votes
2 answers
147 views

Einstein's spacetime thought doubt [closed]