/u/Ciltan's posts

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Why was the number 299,792,458 chosen as the definiton of a metre instead of a more rounded off number like 300,000,000?

6953 upvotes • r/askscience

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How was Avogadro's number derived?

3169 upvotes • r/askscience

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Where did all the salt in the oceans come from?

41 upvotes • r/askscience

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Why is americium used in smoke detectors and not any other transuranic element?

35 upvotes • r/askscience

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How can we see light beams even when they are not pointing towards us?

9 upvotes • r/askscience

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What's the difference between valency and oxidation states?

6 upvotes • r/askscience

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Why do some compounds e.g. water, methane, ammonia have special names instead of "dihydrogen monoxide", "carbon tetrahydride"?

5 upvotes • r/askscience

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It is possible for planets to orbit a star on different planes?

4 upvotes • r/askscience

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What makes a particle unstable?

2 upvotes • r/askscience

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What happens when you charge an electronic device which has a full battery?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
Why was the number 299,792,458 chosen as the definiton of a metre instead of a more rounded off number like 300,000,000?	6953	askscience
How was Avogadro's number derived?	3169	askscience
Where did all the salt in the oceans come from?	41	askscience
Why is americium used in smoke detectors and not any other transuranic element?	35	askscience
How can we see light beams even when they are not pointing towards us?	9	askscience
What's the difference between valency and oxidation states?	6	askscience
Why do some compounds e.g. water, methane, ammonia have special names instead of "dihydrogen monoxide", "carbon tetrahydride"?	5	askscience
It is possible for planets to orbit a star on different planes?	4	askscience
What makes a particle unstable?	2	askscience
What happens when you charge an electronic device which has a full battery?	1	askscience