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

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Is the heat I feel when I face a bonfire transmitted to me mostly by infrared radiation or by heated air?

2980 upvotes

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If removing earwax with cue tips or fingers is bad, then how does old earwax normally come out?

1271 upvotes

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Does the entropy of the universe increase at a constant rate?

52 upvotes

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Will ions across a membrane prefer to equalize concentration over equalizing charge?

16 upvotes

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Do neurons send digital or analog signals?

6 upvotes

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Why is osmotic pressure able to raise a water level against gravity?

6 upvotes

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Different types of gases have different specific heat capacities. What happens to the heat energy that doesn't go towards increasing the temperature?

4 upvotes

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What prevents diatomic deuterium from becoming a helium atom?

3 upvotes

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If an object is dropped in a vacuum and pulled down toward Earth, changing its gravitational potential energy into kinetic energy, does it lose any of this energy as heat?

3 upvotes

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Could a person live a relatively normal life with a permanent cardiopulmonary bypass?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Is the heat I feel when I face a bonfire transmitted to me mostly by infrared radiation or by heated air?	2980
If removing earwax with cue tips or fingers is bad, then how does old earwax normally come out?	1271
Does the entropy of the universe increase at a constant rate?	52
Will ions across a membrane prefer to equalize concentration over equalizing charge?	16
Do neurons send digital or analog signals?	6
Why is osmotic pressure able to raise a water level against gravity?	6
Different types of gases have different specific heat capacities. What happens to the heat energy that doesn't go towards increasing the temperature?	4
What prevents diatomic deuterium from becoming a helium atom?	3
If an object is dropped in a vacuum and pulled down toward Earth, changing its gravitational potential energy into kinetic energy, does it lose any of this energy as heat?	3
Could a person live a relatively normal life with a permanent cardiopulmonary bypass?	1