EARMUFFS
Chester Greenwood, a grammar school dropout, invented earmuffs at the age of 15 to keep his ears warm while ice skating. Greenwood would go on to accumulate over 100 patents in his lifetime.
EAR PLUGS
The history of ear plugs.
EASTER RELATED
Inventions created for Easter occasions.
EIFFEL TOWER
Gustave Eiffel built the Eiffel Tower for the Paris World's Fair of 1889, which honored the 100th anniversary of the French Revolution.
ELASTIC
In 1820, Thomas Hancock patented elastic fastenings for gloves, suspenders, shoes and stockings.
ELECTRIC BLANKET
In 1936, the first automatic electric blanket was invented.
ELECTRIC CHAIR
The history and of the electric chair.
ELECTRICITY RELATED, ELECTRONICS
Several famous persons in the field of electricity and electrical theory are profiled.Thehistory of electricity and electronics.
ELECTRIC MOTOR
Michael Faraday's big breakthrough in electricity development was his invention of the electric motor.
ELECTRIC VEHICLES
An electric vehicle or EV by definition will use an electric motor for propulsion rather than being powered by a gasoline-powered motor.
ELECTROMAGNET
An electromagnet is a device in which magnetism is produced by an electric current.
ELECTROMAGNETISM RELATED
Innovations related to magnetic fields. See Also - Timeline of Electromagnetism
ELECTRON TUBES
The complex history behind the electron or vacuum tube.
ELECTRON MICROSCOPE
If pushed to the limit, electron microscopes can make it possible to view objects as small as the diameter of an atom.
ELECTROPHOTOGRAPHY
The copy machine was invented by Chester Carlson.
ELECTROPLATING
Electroplating was invented in 1805 and paved the way for economical jewelry.
ELECTROSCOPE
The electroscope - a device for detecting electric charge - was invented by Jean Nollet in 1748.
ELEVATOR
Elisha Elisha Graves Otis did not actually invent the first elevator - he invented the brake used in modern elevators, and his brakes made skyscrapers a practical reality.
Have you ever wondered what this @ in your email address is for?
ENIAC COMPUTER
With twenty thousand vacuum tubes inside, the ENIAC computer was invented by John Mauchly and John Presper.
ENGINES
Understanding how engines work and the history of engines.
ENGRAVING
The history of engraving, a popular method of printing.
ESCALATOR
In 1891, Jesse Reno created a new novelty ride at Coney Island that led to the invention of the escalator.
ETCH-A-SKETCH
The Etch-A-Sketch was developed in the late 1950s by Arthur Granjean.
ETHERNET
Robert Metcalfe and Xerox team invented network computing.
EXOSKELETON
Exoskeletons for human performance augmentation is a new type of body army being developed for soldiers that will significantly increase their capacity.
EXPLOSIVES
The history of explosives.
EYEGLASSES
The history of the oldest known glass lens to the first pair of spectacles invented by Salvino D'Armate.

