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

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If freezing tissue generally damages the cells, how are we able to freeze human eggs and embryos for birthing later?

3197 upvotes

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If dimples on a golf ball increase distance, and denticles on a sharks skin decrease hydrodynamic resistance, why are barnacles bad for ships, aside from weight?

35 upvotes

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Can vantablack be used as a stealth coating?

1 upvotes

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It's been a little over 2 months now - do we know what factor(s) makes a COVID case suddenly turn from mild to life-threatening?

1 upvotes

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Do we yet know the factors that turns mild flu symptons to life threatening in COVID patients?

1 upvotes

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Have there been follow up studies about the rate of COVID infection within vaccinated individuals?

1 upvotes

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Seeing as how it absorbs 99.x% of visible light shone on it, would Vantablack also serve as a RAM (radar absorbent material) coating for stealth vehicles, or are its properties limited to the visible part of the EM spectrum?

1 upvotes

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What is the scientific basis behind the observation of 'projection', i.e. that, if a person expects others to behave a certain way, it's also likely they exhibit tendency towards the same behaviour?

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Would vantablack work as a stealth coating?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If freezing tissue generally damages the cells, how are we able to freeze human eggs and embryos for birthing later?	3197
If dimples on a golf ball increase distance, and denticles on a sharks skin decrease hydrodynamic resistance, why are barnacles bad for ships, aside from weight?	35
Can vantablack be used as a stealth coating?	1
It's been a little over 2 months now - do we know what factor(s) makes a COVID case suddenly turn from mild to life-threatening?	1
Do we yet know the factors that turns mild flu symptons to life threatening in COVID patients?	1
Have there been follow up studies about the rate of COVID infection within vaccinated individuals?	1
Seeing as how it absorbs 99.x% of visible light shone on it, would Vantablack also serve as a RAM (radar absorbent material) coating for stealth vehicles, or are its properties limited to the visible part of the EM spectrum?	1
What is the scientific basis behind the observation of 'projection', i.e. that, if a person expects others to behave a certain way, it's also likely they exhibit tendency towards the same behaviour?	1
Would vantablack work as a stealth coating?	1