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

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My physics tutor said that we are now able to change the wavelength of an already emitted laser beam. How is this possible?

15 upvotes

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How do you explain photoelectric effect using quantum mechanics?

5 upvotes

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Why do blackouts happen?

1 upvotes

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What constitutes an 'observation' in the context of double slit experiments?

1 upvotes

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Why don't electric motors short circuit?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
My physics tutor said that we are now able to change the wavelength of an already emitted laser beam. How is this possible?	15
How do you explain photoelectric effect using quantum mechanics?	5
Why do blackouts happen?	1
What constitutes an 'observation' in the context of double slit experiments?	1
Why don't electric motors short circuit?	1