Questions tagged [chemistry]

For questions that have to do with chemistry, chemical reactions be they biological or artificial, or the industrial processes of chemistry.

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5
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3answers
1k views

What are the dangers of using fusion rocket engines in atmosphere?

As far as I understand, when you fuse deuterium (H-2) and tritium (h-3), you get a helium atom and a spare neutron. Basically alpha-rays? Now alpha rays are easily blocked by matter. You can block ...
6
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6answers
443 views

Mechanisms behind different metabolisms for regular and synthetic food

In this world I'm building, a bunch of previously inactive genes in humans have started expressing, and changed newborns' metabolic system dramatically. As a result, a portion of population cannot ...
-3
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5answers
802 views

Aliens want our water [closed]

Aliens, for some unknown reason, want all the water (H2O) in our oceans, seas, lakes, rivers, (all large bodies of water on earth), and plan to steal it from us overnight. Luckily for us, they don't ...
37
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8answers
7k views

Are diamond berries possible?

Diamonds are carbon. Plants take in CO2 and use the carbon. Chemically, could the right kind of plant have diamonds for berries, or is there some other limiting factor?
5
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3answers
613 views

What would the flora on a Methane world be like?

Linked: What would animal life on a methane world look like and how would it evolve? What would the conditions on a methane world be like? How would an intelligent race on a methane world achieve a ...
5
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6answers
2k views

How would a person with modern knowledge of chemistry and medicine fare in Ancient times?

You were born in Rome, when the Roman Republic was still in power. Your father is an upper middle class merchant and you are (or will be) the sole inheritor of his wealth. One day, a ...
0
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1answer
153 views

What could be a chemical cause for insomnia? [closed]

Would it be possible to realistically invent a substance that causes insomnia? What would be the uses and consequences of such a substance?
43
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1answer
6k views

What would the periodic table of a 4-Dimensional universe look like?

In this question, I asked about a universe with (amongst other things) 4 large spatial dimensions. In 3 dimensions, we have the familiar periodic table with its familiar arrangement of atoms in the S,...
3
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5answers
301 views

What would be a naming element convention to distinguish between different carbon-based life forms?

I have an alien race that is carbon-based, like life on Earth, but this alien life uses different essential elements in their biochemistry than those elements used on Earth. I'm trying to come up ...
14
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2answers
763 views

Alternative absorption spectra for plants

Chlorophyll-a (the primary one), chlorophyll-b, and(?) beta-carotene (plus other accessory pigments / carotenoids) dictate which portions of the EM spectrum are used as energy by plants. Plants only ...
44
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9answers
11k views

How could I scientifically explain ice breath?

I'm sure there have been questions on here about fire-breathing dragons, and I recently saw a question about a lightning-breathing dragon, but back in fifth grade I wrote a 150-page story about a ...
17
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6answers
2k views

How would I transport an atmosphere?

An abandoned outpost from a long extinct race is discovered. It can easily be repaired and would make an ideal location for a colony, however it has been breached and any usable air has been long ...

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