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

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When Pluto was downgraded to a dwarf planet what was the cause of this? ie. more accurate observations? a recalculation of its size? A change in the definitions of planetary size?

221 upvotes

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Is there any studies on how Covid has spread in North Korea? Has the country's isolation protected it? In what ways has it managed to spread?

96 upvotes

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I have heard it said that many computerised random number generators are never truly random. Why is that?

22 upvotes

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When I place out the household recycling, what actually happens to the various plastic products? What process do they go through at the recycling plant and what is the final product they emerge as?

18 upvotes

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What is the technical difference (if any) between a hazmat suit and a contamination suit?

13 upvotes

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If the universe is 46.5 billion light-years across and has been constantly expanding since the Big Bang then how big would it have been back at the time of the Big Bang?

7 upvotes

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In the history of modern astronomy, have we ever observed the appearance of any new major impact craters on The Moon?

6 upvotes

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What causes particles to behave in paired ways in quantum entanglement?

3 upvotes

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I've often heard of the idea of mining asteroids in science fiction. If we were to mine the asteroids, what would be the most sought after minerals we would likely find?

1 upvotes

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What types of advantages/disadvantages would birds and flying insects like flies and bees experience if they were released in a zero g environment?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When Pluto was downgraded to a dwarf planet what was the cause of this? ie. more accurate observations? a recalculation of its size? A change in the definitions of planetary size?	221
Is there any studies on how Covid has spread in North Korea? Has the country's isolation protected it? In what ways has it managed to spread?	96
I have heard it said that many computerised random number generators are never truly random. Why is that?	22
When I place out the household recycling, what actually happens to the various plastic products? What process do they go through at the recycling plant and what is the final product they emerge as?	18
What is the technical difference (if any) between a hazmat suit and a contamination suit?	13
If the universe is 46.5 billion light-years across and has been constantly expanding since the Big Bang then how big would it have been back at the time of the Big Bang?	7
In the history of modern astronomy, have we ever observed the appearance of any new major impact craters on The Moon?	6
What causes particles to behave in paired ways in quantum entanglement?	3
I've often heard of the idea of mining asteroids in science fiction. If we were to mine the asteroids, what would be the most sought after minerals we would likely find?	1
What types of advantages/disadvantages would birds and flying insects like flies and bees experience if they were released in a zero g environment?	1