Bubble wrap was invented accidentally by researchers who were trying to develop a new type of what?

More Questions:

What company did Frederick W. Smith found in 1972 in Memphis?

From what language did English borrow the word "stroll"?

In Douglas Adams" Hitchhiker's Guide to the Galaxy, what do the Vogons use to torture prisoners?

From what language did English borrow the word "cookie"?

What children's classic first chapter is titled "The Boy Who Lived"?

What is the only US state that has no letters in common with its state's capital name?

What chemical element is added to rubber to "vulcanize" it?

Which African country was the setting for the TV serial "The Flame Trees of Thika"?

Dr. Brown's puppy in "Back to the Future Part II" was named after what astronomer?

What rock star caused a stir in 2007 when he said that he'd snorted his late father's cremains?

Who is Stan's sister on the TV show "South Park"?

What type of cancer did actor Humphrey Bogart die from?

The SALT II treaty was signed by Jimmy Carter and who else?

When did Princess Diana die in a car accident?

Which rapper had hits including "Who Am I (What's My Name)?" and "Gin And Juice"?