Smash!: Exploring the Mysteries of the Universe with the Large Hadron Collider - page 6

Well, that’s the
electromagnetic
force at work.
it causes things
with like charges
to repel each
other and things
with opposite
charges--such
as the sock and
your shirt--
to attract.
. . . and then a
weaker force--
gravity--pulls
the sock to the
ground.
Take away
the electro-
magnetic
force,
like so . . .
Gravity strikes
again.
Oh, I know all
about gravity.
Here’s
something I bet you
didn’t know. it’s one of
four fundamental
forces --and it’s the
weakest one.
The
weakest?
How can
that be?
Think about it.
Have you ever
taken a shirt
out of the dryer
and found a
sock stuck
to it?
I walked around until
lunchtime one day,
wondering why everyone
was laughing behind my
back. My friend Tony
finally pulled
me aside . . .
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