The Apollo 11 mission computer had 4 kilobytes of RAM — less than a single modern webpage.

The wheel is one of the earliest human inventions.

The lithium-ion battery, now powering billions of devices, was developed in the 1970s–80s by researchers including John Goodenough.

The first computer virus, Creeper, spread across ARPANET in 1971 and displayed the message 'I'm the creeper — catch me if you can!'

In 1971, the first email was sent.

Hydraulic systems use incompressible fluid to transfer force — they power everything from car brakes to excavators.

The High Dam of Aswan created Lake Nasser.

The sewing machine sped up clothing production.

Photography was originally called 'sun painting' — the word comes from Greek for 'light writing.'