Energy

12 inventions

Watt improved Thomas Newcomens 1712 engine, making it 75% more efficient. The separate condenser was...

The voltaic pile was the first device to produce a continuous electrical current. Built from alterna...

Edison did not invent the light bulb but made it practical with a carbonized bamboo filament lasting...

Ottos four-stroke engine remains the basis of most car engines today. He built on earlier work by Le...

Hahn did the chemistry, Meitner provided the theoretical explanation while exiled in Sweden. Meitner...

Faraday demonstrated electromagnetic rotation, the principle behind all electric motors. He was a bo...

Plante invented the lead-acid battery, still used in cars today. Rechargeable batteries made electri...

The first practical solar cell converted 6% of sunlight to electricity. Initially too expensive for ...

Blyth built the first wind turbine to light his holiday home. Poul la Cour built a turbine in Denmar...

Faraday discovered electromagnetic induction, converting mechanical motion into electricity. The dyn...

The controlled use of fire was arguably the most important invention ever. Cooking food increased ca...

Whittingham discovered the concept, Goodenough doubled the energy density, Yoshino made it practical...