Modern Olympic track spikes use carbon fiber plates and advanced foam — they've reduced record times dramatically.

Steel was a rare luxury material in the ancient world — mass production became possible only in the 19th century.

The World Wide Web made internet access widely usable.

The average Google search uses about 0.3 watt-hours of electricity.

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

The Brooklyn Bridge was one of the first steel-wire suspension bridges.

The jet engine made high-speed air travel possible.

Airplane black boxes are painted bright orange for visibility.

Most humans alive today have access to technologies unknown 100 years ago.