from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Plural form of attosecond.


Sorry, no etymologies found.


  • Right now, the "atomic unit of time" is 24 attoseconds, which is the time it takes an electron to travel from one side of a hydrogen atom to the other.

    Science is Badass

  • There are as many of these "attoseconds" in one second as there are seconds in the history of the universe. Top Stories

  • Those laser pulses are only 2.5 femtoseconds (that's billionths of a millionth of a second) long, and the light that flashes off of the neon was calculated at 80 attoseconds (that's billionths of a billionth of a second) long.

    Science is Badass

  • Researchers have found a way to generate the shortest-ever flash of light – 80 attoseconds (billionths of a billionth of a second) long.

    Conscientious: Science: June 2008 Archives

  • The results proved that a single electron could escape during a half-wave of the infrared laser, fleeing in less than 400 attoseconds – an unimaginably short time.

    Electrons Caught Tunnelling Out of Atoms | Impact Lab

  • For a little perspective, 100 attoseconds is to one second as a second is to 300 million years.

    The Illusion of Time

  • The events he probes last for about 100 attoseconds, or 100 quintillionths of a second.

    The Illusion of Time

  • There is a temporal realm called the Planck scale, where even attoseconds drag by like eons.

    The Illusion of Time

  • They then probed the evolution of this ionization using ultraviolet pulses, each lasting around 100 attoseconds, which they directed along the same path through the krypton. all content

  • However, tracking the motion of valence electrons, the outermost electrons in an atom and those that affect an atom's chemical properties, requires taking snapshots over even shorter periods of time - of the order of attoseconds, or 10 all content


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