Wireless electricity transmission was demonstrated by Nikola Tesla — but energy losses have prevented commercial use.

The refrigerator allowed long-term food storage.

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

Velcro was invented in 1941 by Swiss engineer George de Mestral after he noticed burrs sticking to his dog's fur.

Electric cars predate gasoline-powered cars — electric vehicles were common in the early 1900s before oil became dominant.

The first programmable electronic general-purpose computer, ENIAC, weighed 27 tons and consumed 150 kilowatts of power.

The washing machine automated clothing cleaning.

Moore's Law observed that transistor density on chips doubles approximately every two years — this held for roughly 50 years.

The steam locomotive expanded rail travel.