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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").
The Common Core State Standards Initiative, also known as simply Common Core, was an American, multi-state educational initiative begun in 2010 with the goal of increasing consistency across state standards, or what K–12 students throughout the United States should know in English language arts and mathematics at the conclusion of each school grade.
Miksa Déri (1854–1938), Hungary – co-inventor of an improved closed-core transformer; Robert DeStefano (born 1962), U.S. – exercise equipment; James Dewar (1842–1923), UK – Thermos flask; Aleksandr Dianin (1851–1918), Russia – Bisphenol A, Dianin's compound; William Kennedy Laurie Dickson (1860–1935), UK – motion picture camera
Graphical representation of Einthoven's triangle. Einthoven's triangle is an imaginary formation of three limb leads in a triangle used in the electrocardiography, formed by the two shoulders and the pubis. [1] The shape forms an inverted equilateral triangle with the heart at the center. It is named after Willem Einthoven, who theorized its ...
Willem Einthoven, Dutch doctor, physiologist and received the Nobel Prize in Physiology or Medicine; Lodovico Ferrari, Italian mathematician; Alexander Fleming, Scottish biologist, pharmacologist and botanist; Joseph von Fraunhofer, German optician; Hans-Georg Gadamer, German philosopher of the continental tradition
Hi all, Willem Einthoven is credited with inventing String Galvanometer, but this is right way to say it: In 1895 Dutch Physiologist, Willem Einthoven, used a crude electrical sensing apparatus to establish that the beating heart produced four distinct signals, each one corresponding to a different ventricle.
Public schools in Texas now have the option to use a new, state-written curriculum infused with Bible stories after the state’s school board voted in favor of the material on Friday.
What Works Clearinghouse ( or WWC ) [4] reviewed the evidence in support of the Everyday Mathematics program. Of the 61 pieces of evidence submitted by the publisher, 57 did not meet the WWC minimum standards for scientific evidence, four met evidence standards with reservations, and one of those four showed a statistically significant positive effect.