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

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If light is just a radio wave with a different frequency then can visible light be created using an antenna ?

4960 upvotes

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At an atomic level what determines the north and South Poles of a magnet?

1 upvotes

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How do we know that the universe is expanding and it’s not actually us that’s shrinking?

1 upvotes

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How do we know the universe is expanding rather than us shrinking?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If light is just a radio wave with a different frequency then can visible light be created using an antenna ?	4960
At an atomic level what determines the north and South Poles of a magnet?	1
How do we know that the universe is expanding and it’s not actually us that’s shrinking?	1
How do we know the universe is expanding rather than us shrinking?	1