The history of RADAR and Doppler RADAR.
The history of the radio.
Charles Jenkins invented a mechanical television system called radiovision and claimed to have transmitted the earliest moving silhouette images on June 14, 1923.
The history of railroads and railroad related innovations. See - Also
First Steam Powered Locomotives
King Munjong invented a rain gauge for measuring rainfall.
Intel's 1103 was the world's first available dynamic RAM chip. See Also -
History of Computer Memory
The history of shaving time line - safety razors, mechanical razors, electric razors, razors for women and more.
In 1831, Cyrus McCormick invented the first commercially successful reaper, a horse-drawn machine that harvested wheat.
The history of this famous kitchen appliance.
The first television remote control called "Lazy Bones" was invented in 1950 by Zenith.
The first respirator was called the "iron lung". It was invented by Philip Drinker and Louis Agassiz Shaw in 1927.
The history of restaurants and famous restaurant chains.
The history of the revolver.
The history of roads and asphalt.
How science fiction has become science fact.
James McLurkin invented microrobots that work together as a community.
Any of a variety of weapons systems that deliver explosive warheads to their targets by means of rocket propulsion.
Robert Goddard invented liquid-fueled rockets and a control mechanism for rocket apparatus. See Also -
Rockets: Timeline of Invention,
Rockets: How They Work
Earl Bascom invented and manufactured the rodeo's first one-hand bareback rigging.
Scott and Brennan Olsen invented rollerblades.
John Miller was the 'Thomas Edison" of rollercoasters.
The history of roller skates began as a way to ice skate on land.
Alfred Neustadter invented the Rolodex.
The history of root beer.
The strange story of rubber - also the history of rubber stamps, rubber erasers, rubber balloons and more.
There is only one correct answer and 43 quintillion wrong ones to the most populaRr puzzle in history.
Theodore Harold Maiman received a patent for the Ruby Laser System.
Count Rumford (aka Benjamin Thompson) invented the Rumford fireplace in 1796.
If you cannot find what you want by invention.
