A team of volunteers has completed a three-year restoration of the world's oldest working digital computer, the Harwell Dekatron, also known as 'WITCH'. The 2.5-tonne machine, which first entered ...

This is the Harwell Dekatron, also known as the Wolverhampton Instrument for Teaching Computation or the WITCH computer. It was built in 1951, which makes it the oldest working digital computer in the ...

Of course, if you’re a computer historian, you already know that WITCH refers to the Wolverhampton Instrument for Teaching Computation from Harwell. If not, here’s the story: The 2.5-ton machine, ...

As part of its 10th birthday celebrations, the National Museum of Computing at Bletchley Park in the UK set eight computing machines spanning 80 years against each other in a race to find numbers in a ...