Technology Facts for Kids
Cool facts about computers and tech
Vaccines use technology developed in labs to teach your immune system to fight diseases.
Eyeglasses use curved lenses to bend light and help people see more clearly.
A speedometer measures how fast a car or other vehicle is moving.
ENIAC, built in 1945, was one of the first fully electronic computers and weighed about 30 tons.
Tim Berners-Lee invented the World Wide Web in 1989 as a way for scientists to share information.
The first email was sent in 1971 by Ray Tomlinson, who also chose the @ symbol for email addresses.
The internet grew from a US military network called ARPANET, created in 1969.
Moore's Law, proposed in 1965, predicted that computer chips would roughly double in power every two years.
The transistor, invented in 1947, replaced the bulky vacuum tube and made computers much smaller.
Computers work using binary code, which is made up of just two numbers: 0 and 1.