When was the GPS system invented?

Answer The global positioning system (GPS) was developed by Ivan Getting and Bradford Parkinson for the U.S. military in 1973. Global positioning satellites using the technology began to enter service in ... Read More »

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When was the PEX system invented?

The chemistry underlying the PEX cross-linked polyethylene system entered development in the 1950s. Once the process of strengthening polyethylene materials was completed, development of actual pip... Read More »

When was the GPS system for cars invented?

Honda and Alpine claim that they jointly created the first GPS system, called the Electro Gyrocator, in 1981. The first mainstream auto GPS was released in 1990 and was an option for the Acura Lege... Read More »

When was the global positioning system invented?

The first operational GPS satellite was launched in 1978, although the actual concept of a global positioning system was established in 1973 at the Pentagon. It was not until 1993 that the system r... Read More »

When was the system of levers&pulleys invented?

The famous Greek mathematician and inventor Archimedes, discovered the laws of levers and pulleys in the third century B.C. He once said, "Give me a lever long enough and a place to stand, and I wi... Read More »