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

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Are household appliances perfectly efficient in winter (because all waste heat just heats the house anyway)?

943 upvotes

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Why do clouds have distinct edges?

364 upvotes

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If a modern air force can drop a smart bomb anywhere on earth with precision, how do aircraft carriers survive?

1 upvotes

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Hot surfaces are extremely rare in nature, so why did humans (and animals) evolve burn avoidance reflexes?

1 upvotes

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Greenhouse gas aside, is pollution still a pressing problem in advanced countries?

1 upvotes

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Are cancer risks instant or cumulative over time?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Are household appliances perfectly efficient in winter (because all waste heat just heats the house anyway)?	943
Why do clouds have distinct edges?	364
If a modern air force can drop a smart bomb anywhere on earth with precision, how do aircraft carriers survive?	1
Hot surfaces are extremely rare in nature, so why did humans (and animals) evolve burn avoidance reflexes?	1
Greenhouse gas aside, is pollution still a pressing problem in advanced countries?	1
Are cancer risks instant or cumulative over time?	1