Who invented Bakelite?
What toy was invented by Joshua Lionel Cowen around 1900?
This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece.
What invention by Garnet Carter made its debut at the Fairyland Inn Resort in Lookout Mountain, Tennessee, in 1927?
Who invented the phonograph?
What beverage was invented by Charles Alderton in 1885 in Waco, Texas?
Who invented fuel cells in 1839?
The ELECTRIC BATTERY, who's charged with inventing this one?
In which decade was the ARRL founded?
Who invented the Seed Drill?
What drink was invented by Charles Leiper Grigg in 1929?
For what is Charles Babbage (1792-1871) remembered?
Who invented Automobiles using gasoline?
Who invented the battery?
Where were wigs first invented?
Who was the first person to patent the JET ENGINE?
The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name?
What treat was invented by 11-year-old Frank Epperson in 1905?
When was Milk Tray first introduced?
When was the toothbrush invented?
The toothbrush as we know it today was not invented until1938. However, early forms of the toothbrush have been in existence since 3000 BC. Ancient civilizations used a "chew stick," which was a thin twig with a frayed end. These 'chew sticks' were rubbed against the teeth.