The Large Hadron Collider under Construction The LHC is the world's largest and highest-energy particle accelerator. Built by the European Organization for Nuclear Research (CERN), it lies in a tunnel 27 kilometers in circumference beneath the French-Swiss border near Geneva. - Wikipedia (abridged) image credit: Simon Norfolk
The Digital Electronic Universal Computing Engine (DEUCE) photograph by Walter Nurnberg The Deuce computer, developed by the English Electric Company in the early 1950s, was based on the work of mathematician Alan Turing. It was one of the earliest British commercially available computers and a total of 31 DEUCE machines were sold between 1955 and 1964. - The Centre for Computing History (abridged) image credit: Walter Nurnberg / SSPL
Early Simple Microscope by Carl Zeiss, Jena, 1866 this is the 621st simple microscope produced, 3 magnifying lenses, coarse and fine adjustment via a drive behind the curved column, swivelling condenser magnifying lens; mechanically and optically in very good condition. image credit: Auction Team Breker, Koeln, Germany