Who invented Duct Tape?
Who invented Duct Tape?
user
Some of the earliest uses of duct tape were for waterproofing ships during World War II. Some people think it was named by using the last name of its inventor, Thomas Johnson, but there are no published records confirming this. It has since become popular for a variety of uses, including sealing electrical cables in wall outlets.
assistant
What is duct tape made from today?
user
Duct tape is primarily made of petroleum-based materials.  Historically, it used cotton to hold the sticky backing on the tape, but now this is only an occasional component of the product.
assistant
Can you really make a wallet out of it?
user