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common fraction, simple fraction - the quotient of two integers
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We can detect these proteins in tiny amounts, on the order of one-trillionth of a gram, in a tiny drop, which in the past we could not do, Cakmak said.
Baggott clearly lays out areas where scientists still haven't come up with solid answers--including what the conditions were like during the first one-trillionth of a second after the Big Bang and how prebiotic chemicals on the ancient Earth gave rise to living cells.
One newton is about the weight of an apple held to the Earth by gravity, and one piconewton is equivalent to one-trillionth of a newton.
The discovery ''gives us a window on the universe at the very beginning,'' when it was far less than one-trillionth of a second old, said theoretical physicist Lawrence Krauss of Arizona State University, who was not involved in the work.
"Pico" is actually the internationally recognized metric prefix for one-trillionth of a unit (10 to the -12th power), as in a "Picometer." A "Nanometer" is one billionth of a meter.
The process of scanning and downloading the information takes only picoseconds- so one-trillionth of a second- which means that security workers would be alerted to any alarming substances as you were approaching them.
In tests conducted in a magnetically shielded lab in Berlin, the rubidium cloud sensor was able to detect a magnetic field measuring one-trillionth of a tesla.
''The most recent analyses show that levels range from 0.01-0.1 picocuries (one-trillionth of a curie) per cubic meter in air.
It is capable of generating optical pulses in the ultrafast duration of 3 picoseconds (1 picosecond = one-trillionth of a second), with ultrahigh output peak power of 100 watts and repetition frequency of 1 gigahertz.
Using three different computer simulation methods, the researchers looked at the interaction between defects and grain boundaries on time scales ranging from picoseconds to microseconds (one-trillionth of a second to one-millionth of a second).On the shorter timescales, radiation-damaged materials underwent a "loading" process at the grain boundaries, in which interstitial atoms became trapped - or loaded - into the grain boundary.
The plasma only existed for about one-trillionth of a trillionth of a second, and it was tiny, about one-trillionth of a centimeter across.