Met Office TROPICS supercomputer. The Met Office, the UK's national weather monitoring and forecasting service, began to use computers in the late 1950s and early 1960s. By the late 1990s, they had begun to use the Cray T3E 900 supercomputer (1997), a massively parallel supercomputer capable of 430 billion calculations per second. This required subsidiary systems, such as these Tandem K1000 computers that have been combined to form the TROPICS system. Photographed at the Met Office headquarters in Bracknell, where the Met Office was located from 1962 to 2003.
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