Current Projects

Remembering EDSAC

More of the inside story of the original EDSAC was revealed this week when Mrs Jean Renwick, wife of the late Bill Renwick, EDSAC’s chief engineer, came to visit. A long-held suspicion was confirmed.

Snagging: ironing out the EDSAC circuit bugs

The seventeenth in the series of short videos by David Allen about the latest stage in the EDSAC reconstruction project in late summer 2015.

Robinson - the key flaw found?

The Robinson, the predecessor of Colossus, never really worked satisfactorily in speeding up the breaking of Hitler's most secret cypher. The Robinson reconstruction team may have a clue as to why.

The Imitation Game props in a Cambridge home workshop

A home workshop in Cambridge is today playing a vital role in the reconstruction of a Cambridge University machine that 65 years ago led the world’s computing revolution. It’s one of several home workshops across England that are being transported back in time as they play their part in the reconstruction of EDSAC.

Video: EDSAC Project Trustees review and plan

The EDSAC reconstruction is on track and now the educational potential beckons. The Project Trustees meet to review progress and plan to exploit the huge educational value of the reconstruction of the 1949 computer.

Video of opening of EDSAC Gallery

The full video of the opening of the EDSAC Gallery at TNMOC. Hermann Hauser performs the official opening as key parts of the reconstruction are commissioned and the sights and sounds of computing in the late 1940s are brought to life.

Hermann Hauser opens EDSAC display

Hermann Hauser has officially opened the EDSAC display. Key parts of EDSAC were commissioned, and the sights, sounds, heat and sheer size of computing in the late 1940s were brought to life.

EDSAC commissioning preparations

The challenges of commissioning the EDSAC reconstruction. It's cottage industry with engineering ingenuity. Martin Campbell-Kelly talks of the educational plans to involve youngsters learning to program.

EDSAC passes half-way infrastructure milestone

Seventy of the EDSAC chassis are now in place -- that's 50% of the total. Later this month, the display will be officially opened by Hermann Hauser and the first parts of the machine will be commissioned.

EDSAC commissioning begins

EDSAC commissioning began this week by connecting some of the independently-built "sub-systems". The ongoing project can be seen by visitors and some great online videos tell the story to date.


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