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

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Why hasn't Saudi Arabia fallen into the earth?

1131 upvotes

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What happens to neutron stars, pulsars, and other super dense objects after they've spent their energy? Can their material be reabsorbed into new stars, solar systems, or galaxies?

34 upvotes

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Is there a limit to how much of the past and present exist at a given moment, if the speed of light is equal to one and the limit is a 45 degree angle?

23 upvotes

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When things are exposed to radiation is there something particular to the radioactive material which makes it adhere to something not normally radioactive?

8 upvotes

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Aluminium, copper, zinc coins + water + baking soda = a very nasty coating. Which metal reacted?

6 upvotes

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When hydrating a seed, a bean, a kernel of corn is water the only thing which will pass through the membrane, or can other larger molecules pass?

4 upvotes

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The moon is half full tonight. The Earth and moon are spheres, why is there a straight line dividing it down the centre?

1 upvotes

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Do different types of food separate in the stomach or gut to digest first?

1 upvotes

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If gender is a social construct, what does the (recent) science behind gender differences in the brain mean and their implications for trans people?

1 upvotes

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In the early universe were there far fewer heavier elements and did that have an effect on the stars and other bodies then vs now?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why hasn't Saudi Arabia fallen into the earth?	1131
What happens to neutron stars, pulsars, and other super dense objects after they've spent their energy? Can their material be reabsorbed into new stars, solar systems, or galaxies?	34
Is there a limit to how much of the past and present exist at a given moment, if the speed of light is equal to one and the limit is a 45 degree angle?	23
When things are exposed to radiation is there something particular to the radioactive material which makes it adhere to something not normally radioactive?	8
Aluminium, copper, zinc coins + water + baking soda = a very nasty coating. Which metal reacted?	6
When hydrating a seed, a bean, a kernel of corn is water the only thing which will pass through the membrane, or can other larger molecules pass?	4
The moon is half full tonight. The Earth and moon are spheres, why is there a straight line dividing it down the centre?	1
Do different types of food separate in the stomach or gut to digest first?	1
If gender is a social construct, what does the (recent) science behind gender differences in the brain mean and their implications for trans people?	1
In the early universe were there far fewer heavier elements and did that have an effect on the stars and other bodies then vs now?	1