Half a croissant, on a plate, with a sign in front of it saying '50c'
h a l f b a k e r y
A few slices short of a loaf.

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bioslide window mover

large windows on slides are quite common. little cilia hairs move them.
  [vote for,

If the weight and power are distributed, only a small amount of energy is needed for each cilia, combined to pick up the window and move it.
pashute, Dec 11 2022


       Had two read a few times to know what you were talking about. Wouldn’t a bunch of tiny motorized rollers work better?
a1, Dec 11 2022


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