Sound ideas

Article Abstract:

Lawrence Bragg received the Nobel Prize for Physics for his x-ray studies on the structure of crystals. He was also the consultant of the British Army in plotting the trajectories of V2 rockets during World War II. Friedrich Mohs devised the system of measuring the hardness of materials grading talc with a hardness of one and diamond with 10.

Portrayals, Scientists

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Room with (half) a view

Article Abstract:

Some popular inventions are interrelated in one way or another. The Great Eastern steamship, for instance, was built by Victorian engineer Isambard Kingdom Brunel at the same time that the transatlantic telegraph cable was laid by Cyrus Field. Field took the advice of Samuel F.B. Morse, inventor of the telegraph, for his project.

Telegraph, Steamboats

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Show time!

Article Abstract:

Carl Gauss' calculation of the location of the asteroid Ceres in the early 1800s is linked to the development of talking movies. A fan of Gauss, who named a new element in his honor, later isolated selenium. A selenium-based voice recorder later led to the creation of equipment for talking movies.

Usage, Innovations, Discovery and exploration, Movies, Selenium, Selenium (Chemical element), Chemical elements, Ceres (Asteroid), Sound motion pictures, Gauss, Carl, Berzelius, Jons Jakob

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