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Einstein
Proves Atoms Do Exist
a
World
Without Einstein Series
For
2500 years scientists argued about whether or not atoms really did
exist. Finally, an unknown patent clerk provided definitive
proof—his
name was Albert Einstein.
Click here for Broadcast.
After
you have enjoyed the broadcast, get the book! All of the information
presented here, and more, can be found in World
without Einstein
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Image
#1
If
we had a powerful microscope and looked deeply inside a wire, would it
look just like wire, smooth and continuous, or would we see it was made
of small discrete parts linked together? Democritus called these parts
"atomos", Greek for uncuttable.
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Image
#2
Botanist Robert Brown saw pollen grains
continually jittering for no apparent reason—it was a mystery for 80
years.
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Image
#3
Einstein solved the
mystery, showing the motion was caused by unseen atoms, and he derived
the diffusion equation that allowed the mass and size of atoms to be
measured for the first time.
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Image
#4
Now we can image individual atoms. The blue dots
are xenon atoms imaged by an atomic force microscope by a famous
corporation.
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