Inventions & Inventors

Edison's light bulb made electric lighting practical after testing thousands of materials for a durable filament.

The Wright Flyer achieved the first sustained powered flight, lasting just twelve seconds on its debut.

James Watt's improvements made the steam engine practical enough to power the Industrial Revolution.

Elisha Otis proved his elevator's safety brake by dramatically cutting its own cable in a public demonstration.

Samuel Morse's telegraph enabled near-instant long-distance messages using the code that bears his name.

Alessandro Volta's voltaic pile provided the first reliable continuous electric current.

George de Mestral invented Velcro after studying burrs that had stuck to his dog's fur on a walk.

Jacob Perkins patented an early vapor-compression refrigeration system that made safe food storage possible.

Percy Spencer discovered microwave cooking by accident after a candy bar melted in his pocket near radar equipment.

The telephone let voices carry across distance instantly, patented by Bell in 1876 amid a close rival race.

Elias Howe's sewing machine automated hand stitching, later commercialized successfully by Isaac Singer.

Gideon Sundback refined earlier crude fastener designs into the reliable zipper used widely today.

László Bíró's ballpoint pen was partly inspired by the quick-drying ink used in newspaper printing.

Louis Daguerre's daguerreotype process, announced in 1839, produced one of the first practical permanent photographs.

Philo Farnsworth, who conceived the key concept as a teenager, helped pioneer electronic television.

Guglielmo Marconi's radio enabled wireless sound transmission, sending the first transatlantic signal in 1901.

Alfred Nobel's dynamite made explosives far safer to handle, and its profits later funded the Nobel Prizes.

Willis Carrier's air conditioning was originally developed to solve a humidity problem at a printing plant.

Hubert Cecil Booth's vacuum cleaner sped up home cleaning, though his early model needed a horse to pull it.

Steve Wozniak co-designed the Apple I and II, helping bring computing into ordinary homes.

Joseph Glidden's barbed wire transformed land fencing and played a major role in settling the American West.

Walter Hunt reportedly invented the safety pin to pay off a small personal debt.

John Walker's friction match made fire far easier to produce, though he never patented it.

Thomas Edison's phonograph was the first device to both record and play back sound.

Papermaking, traditionally credited to the ancient Chinese official Cai Lun, gave the world an affordable writing surface.

Hans Lippershey is credited with an early patent application for the telescope, which brought distant objects into view.

Zacharias Janssen is credited with early compound microscope designs that revealed a world invisible to the eye.

Josephine Cochrane invented the dishwasher partly out of frustration with servants chipping her fine china.