Misc: What type of bomb was invented by Sir Barnes Wallis?

Questions

Sir Isaac Newton was only _______ ______ years old when he discovered the law of universal gravitation?

A flush toilet exists that dates back to?

No matter its size or thickness, no piece of paper can be folded in half more than ______ times?

Just after the first moon walk, Pan-American Airlines announced that they were willing to take enquires about future commercial flights to the moon. They received ________ requests almost immediately?

When cutting a diamond with a laser, _______ dust is formed?