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

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When an astronaut in space talks to Houston, what is the technology that makes the call?

2556 upvotes

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This is more of an engineering question, but what do power plants do with their extra energy?

19 upvotes

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How far away are those clouds on the horizon?

1 upvotes

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Theoretically: If I could sit at the absoulute gravitational center onlf the Earth, what is gravity going to feel like? Am I feeling like I'm being pulled apart by all the mass around me?

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Millions of years ago, we had Pangea. But what are the odds of that? All the land mass in one particular area on the globe and the rest is under water...it just seems like a geological anomalie for all the high land to be in one place. What are the leading theories?

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Can someone explain to me the concept of time being diffent between the traveler and the observer?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When an astronaut in space talks to Houston, what is the technology that makes the call?	2556
This is more of an engineering question, but what do power plants do with their extra energy?	19
How far away are those clouds on the horizon?	1
Theoretically: If I could sit at the absoulute gravitational center onlf the Earth, what is gravity going to feel like? Am I feeling like I'm being pulled apart by all the mass around me?	1
Millions of years ago, we had Pangea. But what are the odds of that? All the land mass in one particular area on the globe and the rest is under water...it just seems like a geological anomalie for all the high land to be in one place. What are the leading theories?	1
Can someone explain to me the concept of time being diffent between the traveler and the observer?	1