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

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What is the scientific consensus on e-cigarettes?

1831 upvotes

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If refraction is caused by the absorption and reemission of photons, why don't materials only refract certain wavelengths of light?

53 upvotes

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Is there a limit to the wavelength of EM radiation?

6 upvotes

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How big does a number have to be such that memorising the number causes your brain to collapse into a black hole?

1 upvotes

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How can lightning be positive?

1 upvotes

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Does white bread make you tired and wholemeal bread make you lively?

0 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What is the scientific consensus on e-cigarettes?	1831
If refraction is caused by the absorption and reemission of photons, why don't materials only refract certain wavelengths of light?	53
Is there a limit to the wavelength of EM radiation?	6
How big does a number have to be such that memorising the number causes your brain to collapse into a black hole?	1
How can lightning be positive?	1
Does white bread make you tired and wholemeal bread make you lively?	0