Pour a small mound of salt on a table.
Sprinkle some pepper over it.
Separate the pepper from the salt, without touching either.
Assuming fine-ground pepper, blow on the mound.
You can generally blow away most of the pepper while
scattering only some of the salt.
Run a rubber comb through your hair. What happens then?
You'd get a lot of the pepper, some of the salt.
That was actually the first thing I thought of.
Just as with blowing, the separation won't be
perfect.
On April 24, Prokaryotic Capase Homolog wrote:
Pour a small mound of salt on a table.
Sprinkle some pepper over it.
Separate the pepper from the salt, without touching either.
Assuming fine-ground pepper, blow on the mound.
You can generally blow away most of the pepper while
scattering only some of the salt.
Run a rubber comb through your hair. What happens then?
You'd get a lot of the pepper, some of the salt.
That was actually the first thing I thought of.
Just as with blowing, the separation won't be
perfect.
A one meter rubber band is attached to a wall at one
end. A snail sits on the band, at the wall.
The band stretches at one meter/sec. The snail
crawls at 1 cm/sec. How long will it take him
to reach the other end?
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