Wind and solar energy are now the cheapest sources of new electricity generation in most of the world.

The Internet of Things (IoT) refers to the network of physical devices embedded with sensors and software to exchange data.

Satellites can read license plates from orbit under ideal conditions.

The refrigerator allowed long-term food storage.

Architecture often reflects the climate and materials of a region.

The Apollo guidance computer had less power than a modern calculator.

People often hear their phone vibrate when it didn't.

Gyroscopes maintain their orientation in space and are used in navigation systems for aircraft, ships, and spacecraft.

The electric motor converts electrical energy into motion.