Science Memes

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submitted 2 months ago by [email protected] to c/[email protected]

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[–] [email protected] 46 points 2 months ago (4 children)

(assuming your post isn't a joke) it is impossible to cause a nuclear reaction by cutting cucumbers.

the biggest innacuracy in this comic is that as the panel zooms in on the cucumber atoms, the knife looks exactly the same. if it was realistic it would just be a bunch of metal atoms pushing aside a bunch of cucumber atoms, not a sharp knife slicing through individual atoms.

[–] [email protected] 33 points 2 months ago (1 children)

Bro, you should sharpen your knives.

[–] [email protected] 2 points 2 months ago

Won't this cause nicks and dulling as sudden heating and impact lead to both knives becoming extremely useless ?

Also replacing one of the knives with a sharpening rod, I can sort of suspend disbelief enough to believe it "possible".

[–] [email protected] 19 points 2 months ago

Maybe it's not zooming in. Maybe the atoms of the cucumber are getting bigger! 😏

[–] [email protected] 17 points 2 months ago (1 children)

Well… that, and one nucleus splitting in half wouldn‘t start a chain reaction in a cucumber, and therefore not release a macroscopically noticeable amount of energy.

[–] [email protected] 2 points 2 months ago

To put into perspective just how trivial it is, the actual amount of energy of splitting a single nucleus is on the order of picojoules. The shock from touching a doorknob is a few millijoules, literally millions of times more powerful.

[–] [email protected] 2 points 2 months ago

The Subtle Knife is definitely so sharp that it cuts through dimensions, so I think it would cut atoms.

So really that just means it's not inaccurate, it's just a very specific, fictional knife!