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"Nothing stays still for more than a femtosecond here or a millisecond there."
The answer: 320 attoseconds, or about one-third of a femtosecond.
Click this link for times longer than one femtosecond.
On the other hand, things move a lot faster down in subparticle land, where the femtosecond is a unit that can be felt.
A fast reaction occurs in a femtosecond, or one part in seconds.
In a femtosecond, the Concorde flies less than the width of an atom.
She was setting up what she knew would be a revolutionary femtosecond control system for the yacht.
What about the arbitrary restriction to a femtosecond?
Please tell us what is a femtosecond.
Of course it would only make about a femtosecond's difference in how soon he'd be killed, but it was the principle of the thing.
They stated that it was much easier to produce a reliable, repeatable continuum using a femtosecond source.
A femtosecond is one-quadrillionth of a second.
The computer-guided infrared femtosecond laser is focused just below the surface of the cornea.
Their temporal coherence also allows them to emit pulses of light that only last a femtosecond.
Typical timesteps for classical MD are in the order of 1 femtosecond (10 s).
One femtosecond, the unit used to measure the speed of some chemistry reactions (or transient stages) is equal to 10 to minus 15.
A femtosecond is the fraction of a second represented by a 1 preceded by 14 zeros and a decimal point.
In other words, these oscillations can have large populations, but very very short lived coherences: typically less than 10fs (a femtosecond is 10-15s).
There are several benefits; Femtosecond lasers have been noted to be more precise than microkeratomes, with fewer likely collateral tissue effects.
First commercial compact, reliable industrial-grade femtosecond laser (1998)
Femtochemistry - is the area of physical chemistry that studies chemical reactions on extremely short timescales, approximately 10-15 seconds (one femtosecond).
'Yes, for about one nano-second - or perhaps even a femtosecond - isn't that the smallest unit of time that exists?'
The ultrafast monochromator aims to preserve the temporal duration of a femtosecond source, by combining more than one grating.
This problem has been solved with the development of self-referenced mode-locked lasers, commonly referred to as femtosecond frequency combs.