Knowledge Identifier: $Prototype



Early sample, model or release of a product built to test a concept or process or to act as a thing to be replicated or learned from add

Category: Technology

Launched in 1957.

Country: (100%)

Linked to: Arduino




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Until 1960, the meter was defined by a platinum-iridium prototype bar with two scratch marks on it , the International Prototype Metre, and in 1983 the meter was redefined to be the distance in free space covered by light in 1/299,792,458 of a second add something


As of 2005, conventional rapid prototype machines cost around £25,000 add something