Yahoo奇摩 網頁搜尋

搜尋結果

  1. en.wikipedia.org › wiki › Cathode_rayCathode ray - Wikipedia

    The debate was resolved in 1897 when J. J. Thomson measured the mass of cathode rays, showing they were made of particles, but were around 1800 times lighter than the lightest atom, hydrogen. Therefore, they were not atoms, but a new particle, the first subatomic particle to be discovered, which he originally called " corpuscle " but was later named electron , after particles postulated by ...

  2. J. M. Archer Thomson. James Merriman Archer Thomson (5 February 1863 – 31 July 1912) was a British rock-climber and mountaineer. Thomson climbed extensively in North Wales with others such as Oscar Eckenstein. He was a believer in leading on sight, and was not keen on O. G. Jones 's practice of surveying a route with a top-rope.

  3. en.wikipedia.org › wiki › Hughes_MedalHughes Medal - Wikipedia

    J. J. Thomson, who won the first Hughes Medal in 1902. The Hughes Medal is awarded by the Royal Society of London "in recognition of an original discovery in the physical sciences, particularly electricity and magnetism or their applications". [1] Named after David E. Hughes, the medal is awarded with a gift of £1000.

  4. Vortex theory of the atom. The vortex theory of the atom was a 19th-century attempt by William Thomson (later Lord Kelvin) to explain why the atoms recently discovered by chemists came in only relatively few varieties but in very great numbers of each kind. Based on the idea of stable, knotted vortices in the ether or aether, it contributed an ...

  5. Career Thompson is known for playing Tracy Jr. on 30 Rock; his role as child trickster Stanley on That's So Raven and its first spin-off Cory in the House; playing Ronnie Shields in Role Models; the role of Jimmy Mitchell on the short-lived NBC series The Tracy Morgan Show, which lasted for one season from 2003 to 2004; his appearance in commercials for the PlayStation Portable as Marcus ...

  6. J. Anderson Thomson Jr. is an American psychiatrist and writer. He is a Trustee of the Richard Dawkins Foundation for Reason and Science and board member of the Center for Inquiry . He is staff psychiatrist for Counseling and Psychological Services at the University of Virginia Student Health Center, as well as the University of Virginia 's Institute for Law, Psychiatry and Public Policy.

  7. A third edition was prepared by J. J. Thomson for publication in 1892. The treatise is said to be notoriously hard to read, containing plenty of ideas but lacking both the clear focus and orderliness that may have allowed it catch on more easily. It was noted by one ...