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Optic Fiber
In 1854, John Tyndall demonstrated to the Royal Society that light could be conducted through a curved stream of water. This proved that a light signal could be bent. In 1880, Alexander Graham Bell invented his 'Photophone', which transmitted a voice signal on a beam of light. -
credit card
Frank McNamara came up with the idea of the credit card when he went out to supper with a dinner partner. His partner forgot his wallet, and that gave McNamara the idea for the credit card. His idea was that you would have a card that would be accessible at all times with money on it. -
Telvision
Everything that happened after the telivison was invented was affected by the telvision. Space races, speeches, now almost every major event could be internationally viewed -
Transistor Radio
The transistor radio was useful because it was pocket sized, and you could listen to music anywhere. -
flight data recorder
It was designed to record the flight crew's conversation. The purpose was to help identify the reason if a plane crashed or caught on fire. -
Polypropylene
Polypropylene is a thermo plastic wire used in a variety of applications. It is in thermal under wear, ropes, packaging, and more. It is also used in insulating wire -
the first satellite (Sputnik 1)
was the first artificial Earth satellite
Operator: Soviet Union -
3-D
3-D is a motion picture that enhances the illusion of depth perception. A regular image is recorded from two different angles, and then placed together. The viewer has to wear special glasses to be able to see in 3-D -
computer modem
Digital modems developed from the need to transmit data for North American air defense during the 1950s. Modems were used to communicate data over the public switched telephone network. A modem sends and recieves data between two computers. -
First Laser
The name LASER is an acronym for Light Amplification by the Stimulated Emission of Radiation. In 1917 Albert Einstein theorized about the process which makes lasers possible called "Stimulated Emission". In 1954, two scientists invented the maser, which was a similar invention but did not use a visible light. -
First Copy Machine
a machine that makes paper copies of documents and other visual images quickly and cheaply. -
First Heart Pacemaker
John Hopps invented the first cardiac pacemaker. If a heart stopped beating due to cooling, it could be started again by artificial stimulation using mechanical or electric means.
