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

Year:

Only show posts with narrations

How did the first polar explorers know they had reached the pole and they weren't actually off by kilometers?

36 upvotes

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2 x Tesla: 1) How feasible and safe are Tesla's ideas for wireless electricity? 2) How much truth is into that particle beam weapon?

24 upvotes

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If atoms only emit light with specific (discrete) values for wavelengths, why do bodies emit a continuous spectrum of radiation?

23 upvotes

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Why does light change its speed AND direction when passing from one medium to the other?

15 upvotes

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Can you mine both gold and tungsten from the same source, if cyanide is used to obtain the gold?

10 upvotes

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The Curiosity rover's wheels are currently degrading, why haven't they used rubber tires instead?

8 upvotes

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Is it true we only dream faces we have seen because the brain can't make up faces, or is that just a common misconception?

7 upvotes

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Why is the amount of energy of 7 terra-electronvolts produced at CERN's LHC considered huge if it's a lot under 1 Joule (2.2 microJoules) ?

6 upvotes

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Most physics phenomena have a mathematical representation, but are there any mathematical results that don't have a (known) physical interpretation?

2 upvotes

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Why would pools of water in dry desert areas not evaporate?

2 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How did the first polar explorers know they had reached the pole and they weren't actually off by kilometers?	36
2 x Tesla: 1) How feasible and safe are Tesla's ideas for wireless electricity? 2) How much truth is into that particle beam weapon?	24
If atoms only emit light with specific (discrete) values for wavelengths, why do bodies emit a continuous spectrum of radiation?	23
Why does light change its speed AND direction when passing from one medium to the other?	15
Can you mine both gold and tungsten from the same source, if cyanide is used to obtain the gold?	10
The Curiosity rover's wheels are currently degrading, why haven't they used rubber tires instead?	8
Is it true we only dream faces we have seen because the brain can't make up faces, or is that just a common misconception?	7
Why is the amount of energy of 7 terra-electronvolts produced at CERN's LHC considered huge if it's a lot under 1 Joule (2.2 microJoules) ?	6
Most physics phenomena have a mathematical representation, but are there any mathematical results that don't have a (known) physical interpretation?	2
Why would pools of water in dry desert areas not evaporate?	2