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

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When building like the Empire State Building (or taller) get too old and need to be brought down, how will they do it safely?

1399 upvotes

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If waves travel faster in denser mediums, does that mean the speed of light is now slower than 4 billion years ago?

44 upvotes

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Evolutionarily speaking, why do we have biological addictions to certain chemicals like nicotene?

5 upvotes

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Why do I lose cell phone reception in an above-ground open parking structure but not in an equally-sized office building?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When building like the Empire State Building (or taller) get too old and need to be brought down, how will they do it safely?	1399
If waves travel faster in denser mediums, does that mean the speed of light is now slower than 4 billion years ago?	44
Evolutionarily speaking, why do we have biological addictions to certain chemicals like nicotene?	5
Why do I lose cell phone reception in an above-ground open parking structure but not in an equally-sized office building?	1