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

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Do children who speak different languages all start speaking around the same time, or do different languages take longer/shorter to learn?

2542 upvotes

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If you had a metal rod that was 1 light year long could you transmit a signal faster than the speed of light?

1 upvotes

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I push a 1 light year long stick forward and it hits a button 1 light year away. Have I transmitted information at the speed of light?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Do children who speak different languages all start speaking around the same time, or do different languages take longer/shorter to learn?	2542
If you had a metal rod that was 1 light year long could you transmit a signal faster than the speed of light?	1
I push a 1 light year long stick forward and it hits a button 1 light year away. Have I transmitted information at the speed of light?	1