Hey Veeky Forums could evolution create an organic ball bearing? Something an animal could use to very quickly move downhill or so? Like a Turtle having some on their stomachs?
How could an organic bearing even function? I imagine it would never form naturally though.
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how would the bearings repair themselves?
I suppose it isn't impossible. It'd likely work as a internally lubricated socket of cartilage with a dense boney sphere inside of that acting as the ball. I don't really think that this would ever arise out of nature however, most terrain is not designed for wheeled transit. Thus the creature would have to live somewhere like the American south west with it's flat terrain and smooth rocky surfaces for this to arise as a valuable mechanism.
Ball bearings? Try complex nano machinery.
> be an insolent faggot
> me and the lads are larping dungeons and dragons
> dungeon master says "your party encounters a human fidget spinner"
> It has really hard stats that could kill us easily
> too autistic to lose
> reference section 1.5.2 paragraph 2 line 42 of the rule book
> get into a heated argument over the interpretation of the definition of "human" and the definition of "fidget spinner"
> "No Cpt. Pochhammer, it does not imply that they are mutually exclusive"
> "STFU Sir Niggerjew, it's a scientific fact that living beings can't have ball berings"
> make this thread
...
There's a species of insect with organic gears.
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I think that the closest we would get to that would be something like what was seen in "The Amber Spyglass" where there was a species that used round nuts like wheels. Although this is unlikely and would require tool use which makes it less of an organic development of a ball bearing and more of an invention.
anything that rotates freely like that would probably be difficult to supply with blood or repair. but idk, not a biologist.
Could we bio engineer an insect that was basically a tank? Like it could fire poisonous barbs from a 360 degree rotating turret like orifice that sits on top of it's body?