/u/sikyon's posts in /r/askscience

Year:

Does putting an aperture in a laser beam make the smallest point it can be focused to larger or smaller?

5 upvotes

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If you heat something up, is it driven away from its surroundings?

4 upvotes

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How solid is the evidence that prehistoric people hunted by endurance running?

4 upvotes

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What is the purest material that has been refined at macroscopic quantities?

1 upvotes

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Why do hysteresis brakes have a constant torque regardless of RPM?

1 upvotes

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Why can't light be focused smaller than its source?

1 upvotes

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Is math/science/engineering development over time deterministic?

1 upvotes

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Magnets... How do they work?!?

1 upvotes

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Does the expansion of the universe "destroy" information?

1 upvotes

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Can entangled particles be truly identical, even if they are correlated?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Does putting an aperture in a laser beam make the smallest point it can be focused to larger or smaller?	5
If you heat something up, is it driven away from its surroundings?	4
How solid is the evidence that prehistoric people hunted by endurance running?	4
What is the purest material that has been refined at macroscopic quantities?	1
Why do hysteresis brakes have a constant torque regardless of RPM?	1
Why can't light be focused smaller than its source?	1
Is math/science/engineering development over time deterministic?	1
Magnets... How do they work?!?	1
Does the expansion of the universe "destroy" information?	1
Can entangled particles be truly identical, even if they are correlated?	1