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seen Apr 20 at 15:25
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awarded  Popular Question
Feb
20
awarded  Notable Question
Dec
3
awarded  Notable Question
Oct
18
awarded  Popular Question
Aug
31
comment Why do rainbows have distinct colors?
@dushya Why is that so? Can you elaborate?
Aug
31
asked Why do rainbows have distinct colors?
Aug
19
comment Do processes $P\propto\frac{1}{V^2}$, $P\propto\frac{1}{V^3}$, $P\propto\frac{1}{V^4}$, etc., exist in the real world?
Thanks for replying. In your answer, you also mentioned that $PV^n=const$ is not likely to occur naturally other than in the special cases mentioned. Does this also mean that there are no engineering applications?
Aug
18
comment Do processes $P\propto\frac{1}{V^2}$, $P\propto\frac{1}{V^3}$, $P\propto\frac{1}{V^4}$, etc., exist in the real world?
Thanks for answering. Just one thing, you said that we can force a system to follow any relation we want by simultaneously controlling the container volume & the temperature. Does this imply that $PV^n=const$ can never occur at constant temperature except for n=1?
Aug
18
asked Do processes $P\propto\frac{1}{V^2}$, $P\propto\frac{1}{V^3}$, $P\propto\frac{1}{V^4}$, etc., exist in the real world?
Aug
6
awarded  Popular Question
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28
awarded  Yearling
Jul
24
asked How do Anamorphic images work?
Jul
5
accepted How can a wooden spoon be used to prevent water from over boiling?
Jun
30
asked How can a wooden spoon be used to prevent water from over boiling?
Mar
29
accepted Question involving Vectors and Forces
Mar
22
comment How can an an ant lift 50 times its own weight and pull 30 times its weight?
This is the relevant section from your link: But in the rest of the universe, the scaling is actually much slower. Body mass increases along three dimensions, but the strength of legs and arms, which is proportional to their cross-sectional area, increases along just two dimensions. If a man is a million times more massive than an ant, he will be only 1,000,000 to the two-thirds power stronger: about 10,000 times, allowing him to lift objects weighing up to a hundred pounds, not thousands.
Mar
22
comment How can an an ant lift 50 times its own weight and pull 30 times its weight?
Thanks a lot for your answering & also for the interesting link.But my question is but how can you say that strength is related to Area of cross section of the muscle? A Google search did not give me a satisfactory definition of 'Strength' & its relation to the muscle's cross sectional area is not mentioned anywhere. Can you clarify?
Mar
22
comment How can an an ant lift 50 times its own weight and pull 30 times its weight?
Thanks. Your answer made sense but how can you say that strength is related to Area of cross section of the muscle? A Google search did not give me a satisfactory definition of 'Strength' & its relation to the muscle's cross sectional area is not mentioned anywhere. Can you clarify?
Mar
14
comment How can an an ant lift 50 times its own weight and pull 30 times its weight?
@Manishearth I'd like referenced claims. By the way, how long will it take for the mod to migrate this question?
Mar
14
comment How can an an ant lift 50 times its own weight and pull 30 times its weight?
@Manishearth I'll post the same question on Skeptics.