VOD for middle and high school - Polymers

Anyone who has ever washed pots and pans, knows that Teflon-coated cookware is one of the easiest to wash by far. It seems that no matter how hard one tries, nothing sticks to such cookware. How does this magic occur?

Write a secret message that only you can read, using just some magic tape.

Making self-forming stars using toothpicks – and what’s the connection to the Pharaohs?