Search results
Results from the WOW.Com Content Network
He also developed a portable x-ray machine. [ 7 ] [ 14 ] [ 18 ] He also developed an early prototype of a snowmobile. It was a "snow machine" that attached skis to the undercarriage of an airplane fuselage and attached a propeller, and a sound track synchroniser (later selling the patent to RCA).
An X-ray generator generally contains an X-ray tube to produce the X-rays. Possibly, radioisotopes can also be used to generate X-rays. [1]An X-ray tube is a simple vacuum tube that contains a cathode, which directs a stream of electrons into a vacuum, and an anode, which collects the electrons and is made of tungsten to evacuate the heat generated by the collision.
Following local news, Good Morning America, CBS This Morning, and the Today show air. As of 2013, Good Morning America is the most watched morning news show in the United States, [13] followed by Today and CBS This Morning. Good Morning America also airs on weekends, as does Weekend Today. CBS This Morning only has a Saturday edition.
Caldwell was born in Savannah, Missouri, to attorney William W. Caldwell and the former Camilla Kellogg. [1] [2] He showed an early interest in mechanical and electrical devices, having grown up in an era during which a number of electrical innovations had been significantly refined, including the electric light, telephones, and transatlantic telegraph cables.
Mónico Sánchez Moreno demonstrating his portable x-ray machine to a doctor. Mónico Sánchez Moreno (4 May 1880 – 6 November 1961) was a Spanish electrical engineer, inventor and industrialist, an early developer of high frequency electrical conduction equipment, wireless telephony, radiology, electrotherapy and the first portable x-ray machine in 1909.
Family watching TV, 1958. The concept of television is the work of many individuals in the late 19th and early 20th centuries. The first practical transmissions of moving images over a radio system used mechanical rotating perforated disks to scan a scene into a time-varying signal that could be reconstructed at a receiver back into an approximation of the original image.
The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.
Philo Taylor Farnsworth (August 19, 1906 – March 11, 1971) was an American inventor and television pioneer. [2] [3] He made the critical contributions to electronic television that made possible all the video in the world today. [4]