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  1. LCD — 2023-09-23 15:53:09
    …oo power hungry. /* RCA pioneered LCD but the displays were not usable. cyanobiphenyl is the key in modern LCD */ Concurrently, in 1971, researchers in Switzerland had discovered a new display mechanism, the Twisted Nematic effect. This was a p…
  2. Electric Motor — 2023-09-23 15:52:02
    …charge the battery. == Galvanometer == He also invented the first suspended coil galvanometer, a device for measuring current. Sturgeon died in poverty and is buried in an overlooked Prestwich grave, whose stone simply refers to him as "**The …
  3. Electric Generator — 2023-09-23 12:04:37
    …shoe-shaped magnet (A) created a magnetic field through the disk (D). When the disk was turned this induced an electric current radially outward from the centre toward the rim. The current flowed out through the sliding spring contact (m), to the …
  4. Winston Churchill — 2023-08-27 16:11:42
    …r 2 == At the outbreak of World War II, Churchill became First Lord of the Admiralty in command of the Royal Navy. The current Prime Minister, Neville Chamberlain, wanted to appease Germany and Hitler and famously waved a paper that he said promi…
  5. Light Bulb — 2021-08-09 21:56:27
    …electrostatically charged capacitors to heat a wire to incandescence. - 1802 Humphry Davy used huge batteries to pass current through a thin strips of platinum. - 1835, James Bowman Lindsay demonstrated a constant electric light at a public mee…
  6. Sunday School — 2021-08-08 18:39:06
    …ing **1.25 million children** every week, approximately 25 percent of the population. They were the forerunners of the current English state school system. {{Image url="Robert-raikes-house.jpg" class="left" title="Robert Raikes house Gloucester,…

The emblem of Rule Britannia
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