Tuned mass dampers — giant pendulums inside skyscrapers — counteract wind-induced oscillation.

In 1999, several countries experienced a computer scare known as the Y2K problem.

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

The submarine cable enabled intercontinental communication.

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

Volcanic ash can damage engines and machinery.

The first domain name ever registered was Symbolics.com in 1985.

The Shanghai Maglev train reaches extremely high speeds.

The concept of email predates the internet — early forms existed on mainframe computer networks in the 1960s.