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

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Looking back at depictions of the future from the 1960s, they seemed to assume that we would have plentiful underwater living habitats and farming. From a practical point-of-view, what prevented that from happening?

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What would happen if you peed in a Brita Filter? Would what came out the other end actually be drinkable water?

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What is the oldest piece of computer equipment that is still functioning today?

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A few years ago the theoretical idea of tachyons was big. But then I heard in a conversations that the idea had been discarded. What led to the decision that tachyons could not exist?

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What is the biology behind why cats purr?

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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?

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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?

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Have there ever been observed instances of animals suffering from human psychological disorders such as schizophrenia or bipolar disorder?

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Is the scenario in the film Memento where someone's wakes up at periodic intervals with all their memories wiped blank an existing neurological condition or just a fiction created for the film?

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My landlord has installed sonic devices that are supposed to drive away any potential rats. Is there any science behind these devices?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Looking back at depictions of the future from the 1960s, they seemed to assume that we would have plentiful underwater living habitats and farming. From a practical point-of-view, what prevented that from happening?	1
What would happen if you peed in a Brita Filter? Would what came out the other end actually be drinkable water?	1
What is the oldest piece of computer equipment that is still functioning today?	1
A few years ago the theoretical idea of tachyons was big. But then I heard in a conversations that the idea had been discarded. What led to the decision that tachyons could not exist?	1
What is the biology behind why cats purr?	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
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
Have there ever been observed instances of animals suffering from human psychological disorders such as schizophrenia or bipolar disorder?	1
Is the scenario in the film Memento where someone's wakes up at periodic intervals with all their memories wiped blank an existing neurological condition or just a fiction created for the film?	1
My landlord has installed sonic devices that are supposed to drive away any potential rats. Is there any science behind these devices?	1