The concept of a touchscreen dates to 1965; the first commercially successful touchscreen phone was the iPhone in 2007.

Nuclear reactors generate electricity by using the heat from controlled fission chain reactions to boil water and spin turbines.

Kevlar, used in bulletproof vests, was invented accidentally by Stephanie Kwolek at DuPont in 1965.

The laser has applications in medicine, communication, and industry.

People often hear their phone vibrate when it didn't.

The printing press was invented around 1440 by Gutenberg — within 50 years, over 20 million books had been printed.

The internet was originally called ARPANET and was designed by the US military to survive a nuclear attack.

The first computer bug was an actual insect — a moth found in a Harvard Mark II computer in 1947.

The battery stores and releases electrical energy.