Browse Items (3400 total)

Most people cannot tell the difference between AI generated images of white people and images of real people, according to a new study by University of Aberdeen, The Australian National University, University of Toronto and UCL.
More -…

Magic lantern, or projector in iron. An oil-burning lamp, circular, well-ventilated with a single handle and provision for insertion of slides. There is a removable condenser and a front lens with metal lens cover. Catalogued 1971, but acquired…

Carving of a bishop, seated, in sandstone. Crozier: continental type. Possibly part of a corbel table. There are, down the East coast, a number of figure carvings. The stone itself is from the band of Old Red Sandstone that stretches to Fermanagh.

black metal box with a mains plug coming out of the side of it. On the same side is an on/off switch and a panel which says "MAINS VOLTAGE" and 7 holes with "0, +10, +20, 100, 150, 200, 300" beside them and 2 plastic topped screws. There is also…

metal square frame. Probably missing from something

A VHF power tetrode capable of operating at 250 watts.

Two inclined pieces of glass form a curved meniscus of a liquid within the wedge shaped gap between the plates.

Metal disc with 5 circular holes around it. Stuck into 3 of the holes is a cork with a metal rod through it. The metal rods meet up in the centre and are quite long. The whole device can be held by a handle on the end of a shorter rod at the top…

Convex lens in brass holder with ball joint attachment to brass stand which itself is attached by ball joint to the base, illuminates microscope objects with use of a side light

Glass plates forming prism sides can be adjusted independently from vertical to 50 on scale calibrated in divisions of 1 degree. Feet adjustable. Prism mounted above spillage tray (approx 170 mm diameter) on tripod base.