Tag Archives: atom

A Powers-of-Ten Refreshment

Epicurious recently listed the mojito as one of its favorite summertime beverages.  Consider the ingredients of this Cuban cocktail through a powers-of-ten lens. Fresh lime juice In early 19th century Britain, sailors were required to consume a daily ration of lime juice to prevent scurvy, which is why British Navy men were known as “limeys.”  [...]

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The Shortest Time Interval Ever Measured

According to The Times of India, in 2010 a group of German physicists claimed “to have measured the shortest-ever time interval by discovering the tiniest duration an electron takes to leave the atom.” The scientists found that “when light is absorbed by atoms, the electrons become excited and get ejected from the atom if the [...]

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Understanding the Nanoscale

Nobel Laureates Heinrich Rohrer and Gerd Binnig who created the scanning tunneling microscope and won the Nobel Prize in Physics in 1986. Gadolinium on Niobium The upper image is a topograph of three gadolinium atoms on a niobium surface. The lower image is a simultaneously acquired map of the conductance in the sample. Courtesy: IBM [...]

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6 (.0221415)

Avogadro’s Number is 6.0221415 X 1023 which is also quantified as N A. “Avogadro’s number, N A , is the fundamental physical constant that links the macroscopic physical world of objects that we can see and feel with the submicroscopic, invisible world of atoms. In theory, N A specifies the exact number of atoms in [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1440 days ago