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All clocks are subject to drift, causing eventual divergence unless resynchronized. In particular, the drift of crystal-based clocks used in computers requires some synchronization mechanism for any high-speed communication. Computer clock drift can be utilized to build random number generators. These can however be exploited by timing attacks.
Considering the Hafele–Keating experiment in a frame of reference at rest with respect to the center of the Earth (because this is an inertial frame [3]), a clock aboard the plane moving eastward, in the direction of the Earth's rotation, had a greater velocity (resulting in a relative time loss) than one that remained on the ground, while a ...
They also examined whether male and female clocks function differently. [2] Many measurements were taken on subjects including their sleep-wake activity, bed movements, rectal temperature, urine samples, and time perception. To measure time perception, individuals were asked to press a buzzer at one hour intervals and a minute after the one ...
In addition to clock skew due to static differences in the clock latency from the clock source to each clocked register, no clock signal is perfectly periodic, so that the clock period or clock cycle time varies even at a single component, and this variation is known as clock jitter. At a particular point in a clock distribution network, jitter ...
The simulation must keep track of the current simulation time, in whatever measurement units are suitable for the system being modeled. In discrete-event simulations, as opposed to continuous simulations, time 'hops' because events are instantaneous – the clock skips to the next event start time as the simulation proceeds.
Chronostasis (from Greek χρόνος, chrónos, 'time' and στάσις, stásis, 'standing') is a type of temporal illusion in which the first impression following the introduction of a new event or task-demand to the brain can appear to be extended in time. [1]
Other cool features of this mid-priced sunset alarm clock are the variable duration of the sunrise or sunset simulations (20, 30, or 45 minutes), a light-sensitive clock display that brightens ...
Below the clock is an inscription from the Vulgate 1 John 2:17: mundus transit et concupiscentia eius ("the world passeth away, and the lust thereof"). The clock is entirely accurate only once every five minutes. [4] The rest of the time, the pendulum may seem to catch or stop, and the lights may lag or, then, race to get ahead. According to ...