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The phonautograph is the earliest known device for recording sound.Previously, tracings had been obtained of the sound-producing vibratory motions of tuning forks and other objects by physical contact with them, but not of actual sound waves as they propagated through air or other mediums.
Hans Berger: a German neurologist, best known as the inventor of electroencephalography (EEG) (the recording of "brain waves") in 1924, coining the name, and the discoverer of the alpha wave rhythm known as "Berger's wave" Emil Berliner: He is best known for developing the microphone and disc record gramophone. Albert Betz: Betz's law, 1913
Marconi technician Peter Wright, a British scientist and later MI5 counterintelligence officer, ran the investigation. [9] He was able to get The Thing working reliably with an illuminating frequency of 800 MHz. The generator which had discovered the device was tuned to 1800 MHz.
Lev Sergeyevich Termen [a] (27 August [O.S. 15 August] 1896 – 3 November 1993), better known as Leon Theremin was a Russian inventor, most famous for his invention of the theremin, one of the first electronic musical instruments and the first to be mass-produced.
1986 – Kodak scientists invent the world's first megapixel sensor. 1987 Canon releases the first camera for its fully electronic autofocus EF lens mount, the EOS 650 [20] Photoshop developed by Thomas and John Knoll; 1990 — Adobe Photoshop 1.0 released on February 19, for Macintosh exclusively. [21] [22] 1992 – Photo CD created by Kodak. [23]
German scientist Otto von Guericke invented a device that creates static electricity. This is the first ever electric generator. 1705: English scientist Francis Hauksbee made a glass ball that glowed when spun and rubbed with the hand 1720: English scientist Stephen Gray made the distinction between insulators and conductors 1745
Scientists have completed the construction of the world’s biggest camera after two decades of work.. The 3,200 megapixel Legacy Survey of Space and Time (LSST) Camera weighs 3 metric tons and ...
This camera also used Nikon F-mount lenses, which meant film photographers could use many of the same lenses they already owned. Digital camera sales continued to flourish, driven by technology advances. The digital market segmented into different categories, Compact Digital Still Cameras, Bridge Cameras, Mirrorless Compacts and Digital SLRs.