The ELECTRIC BATTERY, who's charged with inventing this one?
1.Hertz
2.Amper
3.Galvani
4.Volta
Posted Date:-2021-03-06 10:45:39
Who invented fuel cells in 1839?
1.Buckminster Fuller
2. Sir William Grove
3. Sylvester Graham
4. Joyce Hall
Posted Date:-2021-03-06 10:45:39
For what is Charles Babbage (1792-1871) remembered?
1.Computers
2.Telescopes
3.Radio-Telegraphy
4. Steam Boating
Posted Date:-2021-03-06 10:45:39
In which decade was the ARRL founded?
1.1940s
2.1930s
3.1920s
4.1910s
Posted Date:-2021-03-06 10:45:39
Where were wigs first invented?
1.Japan
2.France
3.Egypt
4.China
Posted Date:-2021-03-06 10:45:39
Who invented Automobiles using gasoline?
1. Leo H Baekeland
2. Karl Benz
3.Evangelista Torricelli
4.Kirkpatrick Macmillan
Posted Date:-2021-03-06 10:45:39
Who invented Fountain Pen?
1. John J. Loud
2.Sir Frank Whittle
3.Lewis E. Waterman
4.Kirkpatrick Macmillan
Posted Date:-2021-03-06 10:45:39
Who invented the Seed Drill?
1. Jethro Tull
2.Arlo Guthrie
3.Woodie Guthrie
4. Thomas Hines
Posted Date:-2021-03-06 10:45:39
Who synthesized the first wholly artificial gene?
1.Hargobind Khorana
2.J.J. Thompson
3.Benjamin Franklin
4.Meghnad Saha
Posted Date:-2021-03-06 10:45:39
FROZEN FOOD - Who discovered the first practical method of freezing food?
1.C. Birdseye
2. F. Rozenosh
3.G. Findus
4.R. Scott
Posted Date:-2021-03-06 10:45:39
In the 1700s, who would pay the postage fee for letters before the stamp was invented?
1.The sender
2.There was no fee
3.The receiver of the letter
4. The post office
Posted Date:-2021-03-06 10:45:39
The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name?
1.John Christopher Ballantyne
2.Joseph Cyril Bamford
3. John Christopher Baxter
4.Jack Croxford Baker
Posted Date:-2021-03-06 10:45:39
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.
1.Bessie Blount
2.Marjorie Joyner
3.Mae Jamison
4.Beulah Henry
Posted Date:-2021-03-06 10:45:39
What beverage was invented by Charles Alderton in 1885 in Waco, Texas?
1.Cream soda
2.Coca-Cola
3.Dr. Pepper
4.Sprite
Posted Date:-2021-03-06 10:45:39
What drink was invented by Charles Leiper Grigg in 1929?
1.7 Up
2.Yoo-Hoo
3.Pepsi
4.Hawaiian Punch
Posted Date:-2021-03-06 10:45:39
What Frank Whittle invented?
1.Radar
2. Ethyl gasoline
3.Sonar
4.Jet propulsion
Posted Date:-2021-03-06 10:45:39
What George Pullman invented?
1.. Sleeping (railway) car
2.Airship
3.Box car (railway)
4.Air brakes
Posted Date:-2021-03-06 10:45:39
What invention by Garnet Carter made its debut at the Fairyland Inn Resort in Lookout Mountain, Tennessee, in 1927?
1.Miniature golf
2.Swimming pool slide
3.Ski lift
4.Golf cart
Posted Date:-2021-03-06 10:45:39
What item of apparel was invented by Ellery Chun, a Hawaiian clothing merchant, in 1931?
1.String bikini
2.Muumuu
3.Aloha shirt
4.Capri pants
Posted Date:-2021-03-06 10:45:39
What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869?
1.Blender
2.Electric mixer
3.Washing machine
4.Vacuum cleaner
Posted Date:-2021-03-06 10:45:39
What office item was invented by Bette Nesmith Graham in 1951?
1.Fax machine
2.Stapler
3.Liquid Paper
4.Copy machine
Posted Date:-2021-03-06 10:45:39
What toy was invented by Joshua Lionel Cowen around 1900?
1.Raggedy Ann doll
2.Yo-yo
3. Electric train
4.Tinkertoys
Posted Date:-2021-03-06 10:45:39
What treat was invented by 11-year-old Frank Epperson in 1905?
1.Popsicle
2. Banana split
3.Cotton candy
4. Cracker Jacks
Posted Date:-2021-03-06 10:45:39
When was Milk Tray first introduced?
1.1915
2.1934
3.1923
4.1942
Posted Date:-2021-03-06 10:45:39
When was the first Lionel trains manufactured?
1.1920
2.1890
3.1901
4.1944
Posted Date:-2021-03-06 10:45:39
When was the Raggedy Ann doll patented?
1.1915
2.1920
3.1919
4.1911
Posted Date:-2021-03-06 10:45:39
When was the toothbrush invented?
1.1770
2.1765
3.1790
4.1742
Posted Date:-2021-03-06 10:45:39
Who invented Bakelite?
1.Charles Goodyear
2.Leo Hendrik Baekeland
3. Roy Plunkett
4.Henry Ford
Posted Date:-2021-03-06 10:45:39
Who invented the battery?
1.John Wilkinson
2.Alessandro Volta
3.James Hargreaves
4. Thomas Edison
Posted Date:-2021-03-06 10:45:39
Who invented the phonograph?
1. Thomas Edison
2.John Kruesi
3.Jules Levy
4.Alexander Graham Bell
Posted Date:-2021-03-06 10:45:39
Who was the first person to patent the JET ENGINE?
1.F. Whittle
2.C. Lindbergh
3. W. Histell
4.B. Owings
Posted Date:-2021-03-06 10:45:39