American Heritage® Dictionary of the English Language, Fourth Edition
- Helmholtz, Hermann Ludwig Ferdinand von 1821-1894. German physicist and physiologist who formulated the mathematical law of the conservation of energy (1847) and invented an ophthalmoscope (1851).
- n. German physiologist and physicist (1821-1894)
“The three researchers altered the direction of the magnetic field from north to east for half of the bats during sunset with the help of a device called a Helmholtz coil.”
“Mayer's spiritual kin are not to be found among the heat-theorists of his time, such as Helmholtz and others, but among thinkers of the stamp of Goethe, Howard and Ruskin.”
“They were hugely popular until the 1920s, but since then they’ve been largely forgotten, surviving only in a few musty physics labs where they’re dragged out once a year to demonstrate the expansive power of steam and something called a Helmholtz Resonator.”
“The one that "sings back to you" is the main air resonance, commonly called the "Helmholtz" resonance.”
“The effect even has a scientific name, the Kelvin–Helmholtz instability.”
“According to the astronomer Dimitar Sasselov, Director of the Origins of Life Initiative at Harvard, Mandelbrot was "an intellectual giant" who "bridged art and science with an ease that seemed unreal, and with a depth matched only by few in history, like da Vinci and Helmholtz.”
“Shown, an undated picture taken with electronic microscope shows enterohaemorrhagic E. coli at the Helmholtz Centre for Infection Research in Braunschweig, Germany.”
“Reuters E. coli bacteria, shown in an undated picture at the Helmholtz Center for Infection Research in Brunswick, Germany.”
“The excess heat energy then caused an uncontrolled chain reaction in the Helmholtz transfer regulators.”
“Researchers from the Helmholtz-Zentrum Berlin für Materialien und Energie have, in cooperation with colleagues from Dresden, St. Andrews, La Plata and Oxford, for the first time observed magnetic monopoles and how they emerge in a real material.”
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