General Knowledge :: Inventions
-
What African-American inventor received 5 patents in the field of shoemaking?
-
It travels over land and water. Who invented the HOVERCRAFT?
-
What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?
-
Who invented Bicycle?
-
In which decade with the first transatlantic radio broadcast occur?
-
In the 1700s, who would pay the postage fee for letters before the stamp was invented?
-
Who synthesized the first wholly artificial gene?
-
FROZEN FOOD - Who discovered the first practical method of freezing food?