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Use "quadrillionths" in a sentence
"For Dr. Raskar - who optimistically calls the project "femto photography," using the term for quadrillionths of a second - it is about more than just engineering or science."
"Measurements at trillionths, quadrillionths, quintillionths and sextillionths of a second may ultimately reveal whether the Higgs boson -- the so-called "God particle" -- exists."
"For instance, tech Web site AnandTech reported that signal strength as low as 80 quadrillionths of a watt corresponded to four bars."