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First Radio reciever
Ernst Alexanderson, Swedish-American engineer.
High frequency alternator for the first time, which transmission of radio waves -
Period: to
1901-1920 Bianca, Abraham, Rodrigo
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First Vacuum Cleaner
British engineer Hubert Cecil Booth created motorized vacuum cleaner -
First Trans-Atlantic Radio Signal
Guglielmo Marconi sent first transatlantic radio signal which became the first real use of radio waves as a source of communication. -
First Lie Detector/Polygraph
Lie detector or polygraph invented by James Mackenzie. -
Neon Lights
George Claude invented neon lights -
First Air Conditoner
Willis Carrier invents the air conditioner -
The Teddy bear is introduced
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Discovery of Typhoid Vaccine
Dr. Harry Plotz discovered a vaccine for typhoid fever. -
Bottle Making Machine
Bottle making machine invented by Michael J. Owens.
First commercially successful, fully automatic bottle-making machine. -
First License Plate in U.S.
The first state-issued license plates were issued in Massachusetts, beginning in 1903. The very first plate, featuring the number "1," was issued to Frederick Tudor. -
First message to travel around the world
A message from President Theodore Roosevelt traveled around the globe. -
First Silent Movie
The first silent movie was released and it was called "The Great Train Robbery" -
The Wright Flyer
The Wright brothers did research on propellors, air foils, and wing surfaces. Orville Wright got into the Wright flyer and flew the first air plane for 12 seconds. -
Dynamite
Dynamite is made with whale glycerin. -
Diodes
The first commercial diode vacuum tube was invented by John Ambrose Fleming. -
First Radar
Invented by german engineer, Christian Hulsmeyer, using patented an early warning system for shipping. -
New York City Subway Opens
NYC Mayor George McCellan introduces new rapid transit system: The Subway.
More than 100,000 people paid a nickel to take their first trip under Manhattan. -
Einstein proposes his theory of Relativity
Einstein determined that space and time are not absolutes; rather, they are relative to the position of the observer. -
Freud publishes his theory of sexuality
Three Contributions to the Theory of Sex, was written by Sigmund Freud which advanced his theory of sexuality, in particular its relation to childhood. -
Silencer For Guns
Invented by Hiram Maxim, he applied the law of conservation of energy to turn the sound into heat in his invention. -
Kellogg's starts selling corn flakes
Will Keith Kellogg founder of Kellogg's. After disagreeing over toasted wheat flakes, Kellogg decided to start his own business. He left his brothers company and came up with Corn Flakes. -
The Dreadnought launched
The British launched the battleship "Dreadnought". It was the first new class of warship, one that was equipped. -
First piloted helicopter
The very first piloted helicopter was invented by Paul Cornu, but wasn't successful. -
First Washing Machine
First machine powered by electricity was the Thor,
Created by Alva J. Fisher and sold by the Hurley Machine Company in Chicago, IL. -
Pu Yi Becomes Emperor
Three year-old Pu Yi became Emperor of China. -
Ford Introduces The Model-T
Was named the most influential car of the 20th century. -
Plastic is invented
Leo Baekeland invented the first synthetic plastic, AKA Bakelite. Revolutionized the manufacture of everything from buttons to car parts. -
Fluoride Experiments
Started when reports of unexplained dental disorder surfaced in Naples, Italy and Colorado. Frederick McKay began experimenting on Colorado schoolchildren. -
Halley's Comet First Appeared
Appears every 75-76 years. -
Atom Structure
Ernst Rutherford discovered structure of an atom. -
Ireland Stenotype Machine
This machine was produced commercially by The Universal Stenotype Company, owned by Ward Stone Ireland -
Amundson Reaches South Pole
Norwegian explorer Roald Amundsen and his team became the first people to reach the South Pole. -
Parachutes Invented
Parachutes were invented for war related -
Oreo Cookies Invented
The Trademark "Oreo" was introduced -
Titanic Sinks
Titanic hits Iceberg, losing atleast 1,517 even more lives lost that day, -
Piltdown Man Discovered
Archaeologist Charles Dawson announce the discovery of two skulls that belong to a primitive hominid and ancestor of man. -
Ford Introduces Assembly Line
The assembly line took care of all the major components of the Model T, they were being assembled using this technique. -
Los Angeles Aqueduct Opened
Los Angeles Aqueduct opened, a 235-mile water delivery system from the Owens Valley River -
Soddy proposed the term "Isotope"
Chemist Frederick Soddy proposes the term 'isotope' for atoms with identical chemistry but different mass. -
Goddard Begins Rocket Experiments
Without Robert Goddard there would not be a NASA. He created the liquid-fuel rocket. -
Blood Transfussion
The first successful blood transfusion is done in a hospital in Brussels, Belgium -
First Traffic Light
The first traffic light was put on the corner of Euclid Avenue and East 105th Street in Cleveland, Ohio. -
Panama Canal Opens
Panama Canal was officially opened by the passing of the SS Ancon. It took 34 years for the Canal to be opend. Over 80,000 took part in the construction. -
Germans Use Poison Gas
Germans use poison gas as a weapon. German forces shock Allied soldiers along the western front. -
Sonar First Used
Sonar was first used to detect submarines. -
First Self-Service Grocery Store
Piggly Wiggly was the first true self-service store in Memphis, TN. -
Mass Spectrometer
Arthur Dempster builds the "Mass Spectrometer" for analyzing mineral isotopes. -
Hair Dryers
The first true hair dryer came on the market, but it was extremely large and heavy, and frequently overheated. -
Submachine Guns
Invented in 1920 by its American Designer, General John T. Thompson. Became famous during the prohibition era, gun used by gangsters. -
Radio Broadcast Commercial
The Joseph Horne department store in Pittsburgh advertises ready-made radio receivers