Dubai's Burj Khalifa sways up to 1.5 meters at the top — by design — to absorb wind stress.

The harmonica, also known as a mouth organ, was invented in Germany in the early 19th century.

The Large Hadron Collider is the world's largest particle accelerator.

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

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

Pianos have over 12,000 individual parts and are considered both string instruments and percussion instruments.

The U.S. military tested radar systems in classified research programs.

NASA's Apollo guidance computer had less processing power than a modern USB charger.

The first text message ever sent read 'Merry Christmas' and was sent on December 3, 1992.