Solve this multiple-choice question and choose the correct option.

Innovation in navigation: What did Elmer A. Sperry invent that revolutionized marine and aviation guidance? Identify the specific gyroscopic device. Choose the correct option.

Difficulty: Easy

Gyrocompass (marine gyroscopic compass)
Ballpoint pen
Barometer
Steam turbine

Correct Answer: Gyrocompass (marine gyroscopic compass)

Explanation:

Given data

The prompt asks for Sperry's notable invention in guidance/navigation.

Concept / ApproachElmer A. Sperry pioneered gyroscopic technologies including the gyrocompass and gyrostabilizers, crucial for ships and aircraft.

Why others are incorrectBallpoint pens, barometers, and steam turbines were invented by different innovators.

Final AnswerGyrocompass (marine gyroscopic compass).

← Previous Question Next Question→

More Questions from Inventions

Transport technology: It travels over land and water — who invented the Hovercraft (air-cushion vehicle)? Identify the British engineer behind the invention in the 1950s. Choose the correct name.
Toothbrush invention timeline: Identify the year commonly credited for the first bristle toothbrush. Full question: When was the toothbrush invented (in the sense of a bristle brush attached to a handle, as recorded in China)? Choose the correct option.
Office invention in 1951: Identify what Bette Nesmith Graham created. Full question: What office item was invented by Bette Nesmith Graham in 1951? Choose the correct option.
Telephone timeline: Choose the decade in which the telephone was invented. Context: Consider Bell's 1876 patent and early demonstrations. Choose the correct decade.
Electronic design automation: Identify the decade when the SPICE simulator was introduced. Context: UC Berkeley's SPICE (Simulation Program with Integrated Circuit Emphasis) becomes the de facto circuit simulator. Choose the correct decade.
Telegraph timeline: Choose the decade of invention for the electric telegraph. Context: Consider Cooke–Wheatstone and Morse work leading to first practical systems. Choose the correct decade.
Integrated circuit origins: Choose the decade when the first solid-state IC was demonstrated. Context: Consider Jack Kilby's 1958 TI demo and Noyce's 1959 planar IC. Choose the correct decade.
Classic frozen treat: Identify what 11-year-old Frank Epperson invented in 1905. Full question: What treat was invented by 11-year-old Frank Epperson in 1905? Choose the correct option.
Assistive feeding device (WWII rehabilitation): Identify the African-American woman inventor and physical therapist. Full question: 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. Who is she? Choose the correct option.
Shoemaking patents: Identify the African-American inventor who received five patents in shoemaking. Full question: What African-American inventor received 5 patents in the field of shoemaking? Choose the correct option.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion