/u/SeraLermin's posts

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Humans in their current form been around for 200.000 years. Our current civilisation is only the tip of the iceberg. Considering the scarcity of fossils, could there have been another developed civilisation thousands of years ago, with all evidence gone?

352 upvotes • r/AskHistorians

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Seeking your opinions on diversifying my collection

1 upvotes • r/Scotch

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How much does the air temperature (and as a result of that its density) affect a vehicle's top speed? Ignoring all other factors, how much faster would a world speed record vehicle be going on the Salt Flats at 40°C than on the frozen Lake Baikal at -40°C?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
Humans in their current form been around for 200.000 years. Our current civilisation is only the tip of the iceberg. Considering the scarcity of fossils, could there have been another developed civilisation thousands of years ago, with all evidence gone?	352	AskHistorians
Seeking your opinions on diversifying my collection	1	Scotch
How much does the air temperature (and as a result of that its density) affect a vehicle's top speed? Ignoring all other factors, how much faster would a world speed record vehicle be going on the Salt Flats at 40°C than on the frozen Lake Baikal at -40°C?	1	askscience