teflon

If you have a pot, non-stick pan in your house, it must have been coated with Teflon to prevent food from sticking. What you may not know is why it can work so well.

Currently, many cooking tools on the market are coated with a non-stick coating. Actually, it is a heat-resistant polymer. After a period of use, they peeled off ...

Penicillin antibiotics, non-sticking agents, pacemakers, ... are important scientific discoveries of humans born in extremely natural circumstances.