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

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When an incandescent light burns out, it's easy to see what failed. When an LED burns out, what actually wears out?

50 upvotes

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On a molecular level, what differentiates spring steel from regular steel?

7 upvotes

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In music, why does vibrato sound so much better than a straight flat tone?

1 upvotes

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What are some of the more unusual uses for the by-products of gasoline refining?

1 upvotes

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I set up a huge Domino toppling project on the moon. How does it react when the first Domino is set in motion?

1 upvotes

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If a transistor is basically a switching device, how does it act as an amplifier?

1 upvotes

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When an LED burns out, what is depleted in the device that causes it's failure?

1 upvotes

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How can LED lights produce such an intense amount of light and last such a long time? What actually "burns" out?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When an incandescent light burns out, it's easy to see what failed. When an LED burns out, what actually wears out?	50
On a molecular level, what differentiates spring steel from regular steel?	7
In music, why does vibrato sound so much better than a straight flat tone?	1
What are some of the more unusual uses for the by-products of gasoline refining?	1
I set up a huge Domino toppling project on the moon. How does it react when the first Domino is set in motion?	1
If a transistor is basically a switching device, how does it act as an amplifier?	1
When an LED burns out, what is depleted in the device that causes it's failure?	1
How can LED lights produce such an intense amount of light and last such a long time? What actually "burns" out?	1