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The WITCH - 5 years as a returning teacher

Having defied the scrapyard on three occasions, the world’s oldest working digital computer is celebrating the 5th anniversary of its latest life as s popular educational tool in TNMOC's Learning Programme.

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O11y Harlow, 1961-2017

Oliver (O11y) Harlow, who passed away on New Year's Eve, was a very popular and highly valued Museum volunteer who brought a wealth of experience, knowledge, skill – and personality – to the Museum.

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Three faces of the WITCH

As the world's oldest working digital computer, the stories of the Harwell Dekatron or WITCH computer are legion. Come along to see many facets of a machine that captivates everyone who visits. Thursday 15 February 2018, 5.30pm

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EDSAC - Reflecting on a Vision

An update video on the reconstruction EDSAC, the early computer that transformed university research and led to the world's first business computer. Evocative footage from 1940s and of the action today.

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Official TNMOC iPhone app

The official TNMOC app for iPhone is now available in the App Store.

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