The first cellphone was invented in 1973 by Martin Cooper and Motorola. The first cellphone call was made by Cooper from a portable Motorola handset on April 3, 1973.Know More
The first cellphone was named the DynaTAC, which stood for DYNamic Adaptive Tool Area Coverage. It was 9 inches long and weighed 35 pounds. Talk time was about 35 minutes and it took 10 hours to recharge.
The first release of the DynaTAC cellphone was in 1983. It weighed 16 ounces and sold for $3,500. By 1990, cellphone services were being used by 1 million subscribers in the United States.Learn More
Guglielmo Marconi is credited with inventing the first radio. Marconi achieved this feat with no formal education. Still a young man when he initially previewed his invention, his parents moved the entire family from Italy to England for a greater potential for success.Full Answer >
Historians do not know who invented the first wheel. The name of the person or persons who came up with this extremely important development is lost to history.Full Answer >
The foldable Razor scooter was invented by Wim Ouboter of Micro Mobility Systems and manufactured by J.D. Corporation. J.D. Corporation's president, Gino Tsai, was interested in updating the older scooter model so that he would be able to get around his factory more quickly.Full Answer >
The first space shuttle was made by the National Advisory Committee for Aeronautics, or NACA, and the United States military after getting the idea from the Silbervogel proposal. The Silbervogel proposal was part of a German project intended to create an aircraft that could bomb the U.S.Full Answer >