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

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Only show posts with narrations

Were hands on criticality experiments ever considered safe?

591 upvotes

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PEMF healing. I saw this on Amazon and was immediately sceptical. Is there anything to it?

9 upvotes

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Why do children born in the Arctic circle in winter not get conditions like rickets from the lack of sunlight?

2 upvotes

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Do animals know to let their eyes adjust to rapid changes in light levels?

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The most important features of a LASER.

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Would an asteroid impact such as the extinction event that wiped out the dinosaurs have moved the earth meaningfully closer to the sun?

1 upvotes

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Why doesn't milk (or cream) curdle when added to a hot drink?

1 upvotes

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I got sunburn through water today. Why is my skin hot now I'm not in the water?

1 upvotes

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How far would you need to walk to smoke a cigarette before the activity becomes a net health benefit?

1 upvotes

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Rotational motion project help please!

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Were hands on criticality experiments ever considered safe?	591
PEMF healing. I saw this on Amazon and was immediately sceptical. Is there anything to it?	9
Why do children born in the Arctic circle in winter not get conditions like rickets from the lack of sunlight?	2
Do animals know to let their eyes adjust to rapid changes in light levels?	2
The most important features of a LASER.	2
Would an asteroid impact such as the extinction event that wiped out the dinosaurs have moved the earth meaningfully closer to the sun?	1
Why doesn't milk (or cream) curdle when added to a hot drink?	1
I got sunburn through water today. Why is my skin hot now I'm not in the water?	1
How far would you need to walk to smoke a cigarette before the activity becomes a net health benefit?	1
Rotational motion project help please!	1