1. You can either
do this experiment on yourself or
a friend, but try doing this on yourself
out your left arm (if you are right
3. Close your
carefully take your right hand
over your extended left arm.
5. With your
index finger positioned close to
the hairs on your arm without actually
touching your arm; move your finger
very slowly along your arm so that
it just touches the ends of the hairs.
Can you feel that?
6. Now try this
experiment on a friend and watch
their reaction as you gentley touch
the hairs on their arm without actually
touching their skin.
Even though your finger
is not touching your skin you should
be able to feel the sensation of
a very light touch. The hairs
that are touched move and the
base of the hairs send the signals
to your brain so that you can feel
the slightest touch.