Search results
Results from the WOW.Com Content Network
Willem Einthoven (21 May 1860 – 29 September 1927) was a Dutch medical doctor and physiologist. He invented the first practical electrocardiograph (ECG or EKG) in 1895 and received the Nobel Prize in Physiology or Medicine in 1924 for it ("for the discovery of the mechanism of the electrocardiogram").
[4] Einthoven developed a sensitive form of string galvanomter that allowed photographic recording of the impulses associated with the heartbeat. He was a leader in applying the string galvanometer to physiology and medicine, leading to today's electrocardiography. [5] Einthoven was awarded the 1924 Nobel prize in Physiology or Medicine for his ...
Sergey Prokudin-Gorsky (1863–1944), Russia/France – early colour photography method based on three colour channels, also colour film slides and colour motion pictures; Mark Publicover (born 1958), U.S. – first affordable trampoline safety net enclosure; George Pullman (1831–1897), U.S. – Pullman sleep wagon
Only songs with dog characters are included in this section. Not metaphorical dogs or songs with "dog" in the title. Apollo, from various Coheed & Cambria songs, whose name appears in the titles of their third and fourth albums; Arrow, from Harry Nilsson's single "Me and My Arrow", also featured in The Point! "Atomic Dog" by George Clinton
Truth is a 2015 American biographical political drama film written, produced and directed by James Vanderbilt in his directorial debut. It is based on American television news producer Mary Mapes 's memoir Truth and Duty: The Press, the President and the Privilege of Power .
However, Einthoven needed an exact way of measuring the minute amounts of current. In 1897 a French electrical engineer, Clement Ader, invented the "string galvanometer", containing a tensioned string of quartz. In 1903, Einthoven modified Ader's machine, adding electrodes attached to the patients limbs and thorax.
Willem Einthoven: 1860 Electrocardiograph [389] 2008 William P. Murphy Jr. 1923 Blood bag and disposable medical trays [390] 2008 Amos E. Joel Jr. * 1918 Mobile communication system [391] 2008 Nick Holonyak * 1928 visible light emitting diode [392] 2009 Bob Widlar: 1937 Linear integrated circuit [393] 2009 Carver Mead: 1934 Very large scale ...
The nephew of cartoon star Scooby-Doo; about a big dog and several teenage humans. (See Scrappy-Doo.) Scratch Unknown Dot. Dot's pet; about an 8-year-old girl who goes on adventures. Scruff generic Scruff: Peter's dog; about a curious puppy living on a farm. Originally a Catalan and Spanish series created by Josep Vallverdú. Scruff generic