Canned food was invented 50 years before the can opener — it was opened with a hammer and chisel.

The first computer mouse was made of wood.

3D printing (additive manufacturing) was invented in the 1980s — early machines cost hundreds of thousands of dollars.

The piano was originally called the 'gravicembalo col piano e forte' (harpsichord with soft and loud) by its inventor.

QWERTY keyboard layout was designed in 1873 partly to separate commonly used letter pairs and reduce mechanical jamming.

Email is older than the World Wide Web — Ray Tomlinson sent the first email in 1971.

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

In 1971, the first email was sent.

The airplane allowed rapid global travel.