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Snack Exchange
  • Member for 4 years, 10 months
  • Last seen more than a week ago
  • Tehran, Tehran Province, Iran
24 votes
4 answers
8k views

Why can't sunlight reach the very deep parts of an ocean?

3 votes
0 answers
39 views

Is it possible to have colorful foams?

1 vote
1 answer
60 views

Why does light always make a rainbow on the surface of a bubble?

1 vote
1 answer
4k views

At what temperature does flowing water start to freeze?

1 vote
2 answers
254 views

How can a particle's position and velocity be the same all the time? [closed]

1 vote
2 answers
323 views

Why do we have eclipses if the Earth's orbit around the Sun and the Moon's orbit around the Earth aren't in the same plane?

1 vote
1 answer
38 views

What's the meaning of a lack in $V$ if the resistance is zero? [closed]

1 vote
2 answers
206 views

Why do colored lights produce colored shadows?

1 vote
3 answers
148 views

Why does pouring water have a slightly different color when viewed from above?

1 vote
2 answers
150 views

Why didn't I reach $\frac{1}{p}+\frac{1}{q}=\frac{1}{f}$?

0 votes
2 answers
60 views

How do we see the picture of an object as a whole thing in spherical mirrors?

0 votes
2 answers
111 views

Why does the inner wall of a smooth glass seemingly have rings when viewed from above?

0 votes
0 answers
44 views

Why do objects appear more obvious in a dark room when we indirectly look at them?

0 votes
1 answer
31 views

Why does a narrow line of falling water seem drop drop when quickly looking at it from top to the bottom?

0 votes
3 answers
381 views

How far is Hill's sphere applicable? What's the maximum mass?

0 votes
2 answers
884 views

How should the magnetic force between two magnets be calculated effectively?

0 votes
0 answers
37 views

Why does heat have a shadow? [duplicate]

0 votes
0 answers
32 views

Why is a laser beam path visible when it's impacted through a solution of Sodium bicarbonate?

-2 votes
2 answers
76 views

How much at least should the Earth be smaller so that we notice these three phenomenons?