What is "didcot"

Didcot ( or ) is a railway town and civil parish in the county of Oxfordshire, England, south of Oxford. Didcot is known for its railway junction, railway museum and power stations, and is the gateway town to the Science Vale: three large science and technology centres in the surrounding villages of Milton ( Milton Park), Culham ( Culham Science Centre) and Harwell ( Harwell Science and Innovation Campus which includes the Rutherford Appleton Laboratory). The town was historically part of Berkshire until 1974 when there was a boundary change.