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

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Olympic ski-jumpers seem to consistently reach full leg-extension once they have cleared the ramp... isn't this wasted energy that could help lengthen their jump?

82 upvotes

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What was the evlutionary pressure for primates to evolve finger-nails and not claws?

28 upvotes

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Does a beer's 'head' slow the release of carbon-dioxide?

14 upvotes

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Are water molecules at the bottom of the Mariana Trench physically closer together than those at the surface?

10 upvotes

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River, lake, and ocean beds... in general, how well defined is the "floor"? How deep does water penetrate vertically and laterally, and in what amounts?

5 upvotes

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How can the Cascadia Subduction Zone and the San Andreas Fault be so proximate to each other?

5 upvotes

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Watching television or computer screen, when a bright light is seen that you react to, is it actually bright to your eyes, or is it your brain falsely anticipating the brightness?

3 upvotes

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I've read that small cosmic particles such as neutrinos are constantly moving through our bodies unnoticed. What are the chances that they would collide with a molecule in our body? Would we notice?

2 upvotes

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The 2004 Mars Opportunity Rover is still going! What lessons can we learn or have already been learned from the Opportunity?

1 upvotes

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Trying to determine size of a stadium to seat everyone on Earth... What engineering considerations go into a large stadium... electrical generation, curvature of the earth, will it sink? How big is the parking lot? Can we put a dome on?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Olympic ski-jumpers seem to consistently reach full leg-extension once they have cleared the ramp... isn't this wasted energy that could help lengthen their jump?	82
What was the evlutionary pressure for primates to evolve finger-nails and not claws?	28
Does a beer's 'head' slow the release of carbon-dioxide?	14
Are water molecules at the bottom of the Mariana Trench physically closer together than those at the surface?	10
River, lake, and ocean beds... in general, how well defined is the "floor"? How deep does water penetrate vertically and laterally, and in what amounts?	5
How can the Cascadia Subduction Zone and the San Andreas Fault be so proximate to each other?	5
Watching television or computer screen, when a bright light is seen that you react to, is it actually bright to your eyes, or is it your brain falsely anticipating the brightness?	3
I've read that small cosmic particles such as neutrinos are constantly moving through our bodies unnoticed. What are the chances that they would collide with a molecule in our body? Would we notice?	2
The 2004 Mars Opportunity Rover is still going! What lessons can we learn or have already been learned from the Opportunity?	1
Trying to determine size of a stadium to seat everyone on Earth... What engineering considerations go into a large stadium... electrical generation, curvature of the earth, will it sink? How big is the parking lot? Can we put a dome on?	1