'Fog's rollin' in off the East River bank,
Like a shroud it covers Bleeker Street,
Fills the alleys where men sleep,
Hides the shepherd from the sheep.'
quarta-feira, 7 de agosto de 2013
Coffee rings and coffee disks: Physics on the edge
Check out @PhysicsTweet's Tweet: https://twitter.com/PhysicsTweet/status/363895958624407552
The stains left by drying coffee would look quite different—both microscopically and macroscopically—if the suspended grounds weren’t roughly spherical.
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