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

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Have we ever observed quantum behaviour on a macro scale?

180 upvotes

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What exactly happens between the alpha particles and the air to cause clouds to form in a cloud chamber?

22 upvotes

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Why do lasers have to be a single wavelength? Could you create the illusion of a white laser by combining the beams of a red, green, and a blue laser?

8 upvotes

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Where is human evolution headed?

1 upvotes

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Could you fire and arrow on the moon and have it make it into orbit or leave orbit? What about shooting a gun, etc?

1 upvotes

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Why do we get tired? What is about resting and sleeping that makes the tiredness get better?

1 upvotes

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How many neurons/synapses does the human brain have? How many neurons firings happen when we have a simple thought like, "Oh look it's a red apple."? How much energy is used/released every time a neuron fires?

1 upvotes

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Do we have any hope of ever knowing the size of the universe beyond the observable universe?

1 upvotes

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I saw a video that claimed to show water draining differently in the North and South hemispheres. Can someone help me debunk it?

1 upvotes

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Imagine humanity built an observatory on the moon. The primary mirror is 1 KM across and it can observe the entire EM spectrum. What can we see?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Have we ever observed quantum behaviour on a macro scale?	180
What exactly happens between the alpha particles and the air to cause clouds to form in a cloud chamber?	22
Why do lasers have to be a single wavelength? Could you create the illusion of a white laser by combining the beams of a red, green, and a blue laser?	8
Where is human evolution headed?	1
Could you fire and arrow on the moon and have it make it into orbit or leave orbit? What about shooting a gun, etc?	1
Why do we get tired? What is about resting and sleeping that makes the tiredness get better?	1
How many neurons/synapses does the human brain have? How many neurons firings happen when we have a simple thought like, "Oh look it's a red apple."? How much energy is used/released every time a neuron fires?	1
Do we have any hope of ever knowing the size of the universe beyond the observable universe?	1
I saw a video that claimed to show water draining differently in the North and South hemispheres. Can someone help me debunk it?	1
Imagine humanity built an observatory on the moon. The primary mirror is 1 KM across and it can observe the entire EM spectrum. What can we see?	1