How does cling wrap cling?  Plastic wrap hangs on to everything
it touches like grim death. Find out how it manages to glom on
to nearly every surface in a kitchen.  There is a debate about
what is more the more responsible substance to use: cling wrap
or aluminum foil. In this author's opinion, the clear winner is
aluminum foil. Why? Because it's the only one that works.
Aluminum foil is a humble but hard-working substance. Plastic
wrap is an ironed-out version of the blob. It's a confusingly
clear substance that sticks to everything in sight, including
one's hands and itself, until it's a wadded-up ball of plastic
sitting next to a still-uncovered plate of brownies. How does it
manage to grab onto everything so well?  Many sources say that
it is static cling that keeps the wrap holding tight to
everything around it. The plastic acquires a charge and sticks
itself to anything with an opposite charge. Many plastic bowls
carry a very slight negative charge along their surface, giving
the wrap something to hang