/u/Depensity's posts

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I get that crack is the free base of cocaine chemically, but why does that make it smokable and more powerful?

6588 upvotes • r/askscience

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When I turn on the rear defroster in my car I hear the engine RPM drop. Does increasing the demand on a generator increase the force needed to rotate it? If so, how?

5379 upvotes • r/askscience

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What is it about the measles virus that makes it transmissible in tiny aerosol droplets but coronavirus and influenza are only transmitted in bigger droplets?

60 upvotes • r/askscience

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In videos of nuclear tests, what is the first wave that sort of shakes the dust off of everything a few seconds before the actual shockwave hits and destroys everything?

37 upvotes • r/askscience

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What is the process of "turning on" a nuclear reactor?

29 upvotes • r/askscience

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What is the electrical current actually doing in am antenna?

21 upvotes • r/askscience

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Why don't Christmas lights get dimmer as you go down the string? Does each light not suck up some of the energy?

11 upvotes • r/askscience

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Just finished the Chernobyl series on HBO. Could someone explain what positive and negative void coefficients are and why they exist? And what about a reactor design can make such a dramatic difference?

11 upvotes • r/askscience

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Trying to learn about ultrasound and I get that sound is reflected at an interface proportional to the difference in acoustic impedance between the two materials but what I can't find is a physical explanation for why that would be the case. Can someone help?

5 upvotes • r/askscience

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How did the first transistor work?

4 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
I get that crack is the free base of cocaine chemically, but why does that make it smokable and more powerful?	6588	askscience
When I turn on the rear defroster in my car I hear the engine RPM drop. Does increasing the demand on a generator increase the force needed to rotate it? If so, how?	5379	askscience
What is it about the measles virus that makes it transmissible in tiny aerosol droplets but coronavirus and influenza are only transmitted in bigger droplets?	60	askscience
In videos of nuclear tests, what is the first wave that sort of shakes the dust off of everything a few seconds before the actual shockwave hits and destroys everything?	37	askscience
What is the process of "turning on" a nuclear reactor?	29	askscience
What is the electrical current actually doing in am antenna?	21	askscience
Why don't Christmas lights get dimmer as you go down the string? Does each light not suck up some of the energy?	11	askscience
Just finished the Chernobyl series on HBO. Could someone explain what positive and negative void coefficients are and why they exist? And what about a reactor design can make such a dramatic difference?	11	askscience
Trying to learn about ultrasound and I get that sound is reflected at an interface proportional to the difference in acoustic impedance between the two materials but what I can't find is a physical explanation for why that would be the case. Can someone help?	5	askscience
How did the first transistor work?	4	askscience