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What helped Henry Ford to build cars more cheaply?
The assembly line
Who invented the world wide web
Tim Berners-Lee
Brighter than sunlight
laser
How did Alexander Graham Bell make it easier for people to communicate with each other?
He invented the telephone
Who invented the 3D printer
Charles Hull
can be focused on a small area
laser
What can be used to measure distances, track flying objects, and read prices on goods in the supermarket?
lasers
Samuel Morse
loses power quickly
electric lamp
Name an invention that was designed to help the environment?
electric cars
Vladimir Zworykin presented his invention of an all-electric ________________________.
Television
scatters in different directions
electric lamp
An early model of the radio was invented by
Guglielmo Marconi
Who invented computing machine that broke military codes
Alan Turing
How many feet was the first modern computer?
48 feet!!!