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

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If we've only had plastics for the last 80 years, how do we know it will take thousands of years to decompose?

11337 upvotes

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Why do plastics get weaker when we recycle them?

8 upvotes

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Do objects fall at the same rate in a uniform electric field, the way they do in a uniform gravitational field?

8 upvotes

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Can you catalyze a nuclear reaction? Do catalysts exist in nuclear physics?

4 upvotes

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can wood fires generate UV rays?

3 upvotes

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how do trees avoid age related DNA damage?

3 upvotes

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How tightly can we compress matter with our current technology?

2 upvotes

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We are taught that plants have cell walls, which make their cells rigid. Animals don't, so their cells are squishy. If this is true, how can so many fruits like cantalopes and grapes be squishy?

2 upvotes

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Can mitochondria catch viruses?

2 upvotes

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I wanna watch the eclipse, but don't have glasses. I could watch it on the screen of my iPhone by pointing its camera at the sun. This is safe for me. But is it safe for my phone?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If we've only had plastics for the last 80 years, how do we know it will take thousands of years to decompose?	11337
Why do plastics get weaker when we recycle them?	8
Do objects fall at the same rate in a uniform electric field, the way they do in a uniform gravitational field?	8
Can you catalyze a nuclear reaction? Do catalysts exist in nuclear physics?	4
can wood fires generate UV rays?	3
how do trees avoid age related DNA damage?	3
How tightly can we compress matter with our current technology?	2
We are taught that plants have cell walls, which make their cells rigid. Animals don't, so their cells are squishy. If this is true, how can so many fruits like cantalopes and grapes be squishy?	2
Can mitochondria catch viruses?	2
I wanna watch the eclipse, but don't have glasses. I could watch it on the screen of my iPhone by pointing its camera at the sun. This is safe for me. But is it safe for my phone?	1