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A simple one-liner:

What can be in two states at once yet one thing in all?

What is it?

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  • $\begingroup$ Why was this question closed? Why is it be considered "off-topic"? Isn't it just a simple riddle? $\endgroup$ Apr 13, 2022 at 23:53
  • $\begingroup$ @Dopplegamer The question is too broad, the amount of possible answers is too high. $\endgroup$
    – Auribouros
    Apr 14, 2022 at 8:46
  • $\begingroup$ @Auribouros Ah, okay, thanks! $\endgroup$ Apr 14, 2022 at 18:50

4 Answers 4

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I'm fairly sure it's not the intended answer, but

Schrödinger's cat is the classical example of something that can be in two states at once. Alive and dead at the same time.

The irony is that Schrödinger's cat is actually an example used to illustrates the fact that being in superposed states can happen to literally everything. Even a sentient cat. But it ended up to be known as the one instance of something that can be in two states at a same time due to some hokus-pokus done by Schrödinger.

A more correct answer should probably be 'Almost everything, like for instance that cat in a box'.

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  • $\begingroup$ This actually was the intended answer, but all the others are valid too (my question was too ambigious) $\endgroup$ Apr 17, 2022 at 12:36
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I'm fairly sure this is not the intended answer but:

A human, I can simply go between two state borders and voila!

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  • $\begingroup$ I can also be in a state of shock and disbelief if our answers are considered incorrect :) $\endgroup$
    – Auribouros
    Apr 13, 2022 at 13:18
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I'm also sure this is not the intended answer and is pretty similar to Auribouros' answer, but:

an interstate highway.

Rationale:

Interstate = existing or carried on between states, and also a highway system in the U.S. A single interstate highway is in two states but is one highway.

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I'm also fairly sure it's not the intended answer, as it would require a -tag, but

Potassium has been shown to exist as both a solid and a liquid simultaneously.

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