Inventions That Changed Everything

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

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