Inventions That Changed Everything

Q: George Eastman developed the first practical roll film camera in 1888. What brand did he create?

Kodak. George Eastman founded the Kodak company and developed roll film photography, making cameras accessible to the general public and democratizing photography.

Q: Nikola Tesla pioneered the development of which electrical system used in modern power grids?

Alternating Current (AC). Nikola Tesla championed Alternating Current (AC) technology, which became the standard for modern electrical grids due to its efficiency in long-distance power transmission.

Q: What ancient Roman invention allowed people to create transparent, colored drinking vessels?

Blown glass. The Romans perfected the art of blown glass around the 1st century CE, enabling the mass production of transparent vessels for daily use, food storage, and luxury items.

Q: The invention of which device in 1947 laid the foundation for all modern computing and electronics?

Transistor. The transistor was invented in 1947 at Bell Labs by Bardeen, Brattain, and Shockley. It replaced bulky vacuum tubes and made possible the miniaturization of electronics.

Q: Nicolas Appert developed a method to preserve food in glass jars in 1810. What is this process called?

Canning. Nicolas Appert invented the canning process in 1810, heating food in sealed containers to create an oxygen-free environment that prevents spoilage and bacterial growth.

Q: James Watt developed an improved version of which power-generating machine in the 1760s?

Steam engine. James Watt improved the steam engine in the 1760s by adding a separate condenser, dramatically increasing its efficiency and powering the Industrial Revolution.

Question 1

George Eastman developed the first practical roll film camera in 1888. What brand did he create?

Accepted Answer

Kodak

Answer

Pentax

Answer

Canon

Answer

Nikon

Question 2

Nikola Tesla pioneered the development of which electrical system used in modern power grids?

Accepted Answer

Alternating Current (AC)

Answer

Direct Current (DC)

Answer

Pulsed Current (PC)

Answer

Static Current (SC)

Question 3

What ancient Roman invention allowed people to create transparent, colored drinking vessels?

Accepted Answer

Blown glass

Answer

Ceramic casting

Answer

Melted quartz

Answer

Bronze pressing

Question 4

The invention of which device in 1947 laid the foundation for all modern computing and electronics?

Accepted Answer

Transistor

Answer

Vacuum tube

Answer

Integrated circuit

Answer

Diode

Question 5

Nicolas Appert developed a method to preserve food in glass jars in 1810. What is this process called?

Accepted Answer

Canning

Answer

Freezing

Answer

Smoking

Answer

Salting

Question 6

James Watt developed an improved version of which power-generating machine in the 1760s?

Accepted Answer

Steam engine

Answer

Windmill

Answer

Water wheel

Answer

Turbine

Inventions That Changed Everything

George Eastman developed the first practical roll film camera in 1888. What brand did he create?

Publisher

Inventions That Changed Everything