Usage examples (33)

• The actual process used by the scientists, called attosecond absorption spectroscopy, is about as fiendishly complicated as its name, so let's take this slowly.
• Their method involved using a stroboscope and a laser that uses attosecond pulses to film electron motion.
• Planck time—the smallest unit of time that has any physical meaning—is 10-43 second, less than a trillionth of a trillionth of an attosecond.
• P.S. The initial state of the universe was not “structured” in the way it was even an attosecond after expansion, much less the way it is today.