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One millionth of a second
A microsecond is a unit of time in the International System of Units (SI) equal to one millionth (0.000001 or 10−6 or 1⁄1,000,000) of a second. Its symbol
Microsecond
The Microsecond Bus, μSB or MSB is an asymmetric serial communication interface specification for short-distance communication between a master and multiple
Microsecond_Bus
One billionth of a second
approximately 31.69 years. A nanosecond is equal to 1000 picoseconds or 1/1000 microsecond. Time units ranging between 10−8 and 10−7 seconds are typically expressed
Nanosecond
Light energy absorbance and re-emission
phosphorescent materials may continue to emit an afterglow ranging from a few microseconds to many hours after the excitation is removed. There are two separate
Phosphorescence
Date and time representation system widely used in computing
computing, values are sometimes stored with higher granularity, such as microseconds or nanoseconds. Unix time is currently defined as the number of non-leap
Unix_time
Photographic light source capable of producing sub-microsecond light flashes
air-gap flash is a photographic light source capable of producing sub-microsecond light flashes, allowing for (ultra) high-speed photography. This is achieved
Air-gap_flash
Computer built in 1957 for Los Alamos Scientific Lab
16K of 6-microsecond cycle time core memory, and 64K of 2-microsecond cycle time core memory. A NOP instruction took about 2.5 microseconds. A multiplication
MANIAC_II
Network that allows computers to share resources and communicate with each other
to network congestion. IP network delays can range from less than a microsecond to several hundred milliseconds. The parameters that affect performance
Computer_network
One thousandth of a second
equal to one thousandth (0.001 or 10−3 or 1/1000) of a second or 1000 microseconds. A millisecond is to one second, as one second is to approximately 16
Millisecond
American engineer
"Dumey microsecond" is a term of art in the intelligence community of the United States where Dumey spent much of his career. The Dumey Microsecond was a
Arnold_Dumey
Industrial standard for programmable logic controllers
Duration literals Unit Description d Day h Hour m Minute s Second ms Millisecond us Microsecond ns Nanosecond
IEC_61131-3
Early electronic computer
to 305 microseconds. Its addition time was 38 microseconds, multiplication time was 240 microseconds, and division time was 375 microseconds. (These
RAYDAC
Hindu units of time are described in Hindu texts ranging from microseconds to trillions of years, including cycles of cosmic time that repeat general events
Hindu_units_of_time
Livermore Advanced Research Computer
in April 1969. The LARC CPUs were able to perform addition in about 4 microseconds, corresponding to about 250 kIPS speed. This made it the fastest computer
UNIVAC_LARC
data mile away, then the radar return from that target would arrive 12 microseconds after the transmission. (Recall that radar was developed during World
Data_mile
Transponder intended for emergency use at sea
it first sweeps rapidly (0.4 microsecond) through the band before beginning a relatively slow sweep (7.5 microseconds) through the band back to the starting
Search_and_rescue_transponder
High-speed camera with an exposure time as brief as 10 nanoseconds
explosions within milliseconds of detonation, using exposures of several microseconds. To overcome the speed limitation of a conventional camera's mechanical
Rapatronic_camera
U.S.-based stock exchange
under 320 microseconds. The point-of-presence links for traders to gain access to IEX have a built-in, round-trip delay of 700 microseconds from a 38-mile
IEX
Primary time standard globally used to regulate clocks and time
current UTC from a number of official internet UTC servers. For sub-microsecond precision, clients can obtain the time from satellite signals. UTC is
Coordinated_Universal_Time
Nuclear reactor state where the nuclear chain reaction is exactly self-sustaining
later, when the fission products decay, which may be on the average from microseconds to minutes later. This is fortunate for atomic power generation, for
Criticality_(status)
Network time synchronization protocol
the configuration. In a local area network (LAN), accuracy can be sub-microsecond – making it suitable for measurement and control systems applications
Precision_Time_Protocol
Computer built in 1961 for the University of Chicago
memory. Its floating-point multiplication time was 71 microseconds, and division time was 81 microseconds. The MANIAC III's most novel feature was unnormalized
MANIAC_III
Chemical elements that do not occur naturally
varying rates; the half-lives of their longest-lived isotopes range from microseconds to millions of years. Five more elements that were first created artificially
Synthetic_element
Compression due to electromagnetic radiation
modeled as a trapezoidal pulse with a one microsecond rise time, one microsecond plateau, and one microsecond fall time. For a 30 kiloton fission bomb
Radiation_implosion
American semiconductor company
interactions in increments of one femtosecond at a time. Each step took just microseconds to compute on the Cerebras WSE-2, much faster than on the Frontier supercomputer
Cerebras_Systems
SI prefix denoting 10 to the -9th power
approximately 31.69 years. A nanosecond is equal to 1000 picoseconds or 1/1000 microsecond. Time units ranging between 10−8 and 10−7 seconds are typically expressed
Nano-
Solid-state semiconductor device
width of the gate current is sufficiently large (generally some tens of microseconds), the TRIAC has completed the triggering process when the gate signal
TRIAC
Early computer
EDVAC's average addition time was 864 microseconds and its average multiplication time was 2,900 microseconds. ENIAC inventors John Mauchly and J. Presper
EDVAC
First published description of a stored-program computer
two binary digits as taking one microsecond and that therefore a 30-bit multiplication should take about 302 microseconds or about one millisecond, much
First Draft of a Report on the EDVAC
First_Draft_of_a_Report_on_the_EDVAC
Topics referred to by the same term
Upper Silesia Uranium monosulfide Ut supra, Latin for "as above" Humans Microsecond (μs) United States (disambiguation) Uz (disambiguation) SU (disambiguation)
Us
models suggested the earthquake shortened the length of a day by 2.68 microseconds, due to a decrease in the oblateness of the Earth. It also caused the
2004 Indian Ocean earthquake and tsunami
2004_Indian_Ocean_earthquake_and_tsunami
Stock exchange in New York City
IEX in 2016, NYSE MKT rebranded as NYSE American and introduced a 350-microsecond delay in trading, referred to as a "speed bump", which is also present
NYSE_American
Supercomputer of the 1960s
register add – 1.59 microseconds Floating-point add, no modification – 1.61 microseconds Floating-point add, double modify – 2.61 microseconds Floating-point
Atlas_(computer)
Compact astronomical body
exceedingly difficult to detect from Earth. A possible exception is the microsecond-long burst of gamma rays emitted in the last stage of the evaporation
Black_hole
Incoherent light source
in very fast rise time systems, typically those that discharge in the microsecond regime, such as used in high-speed, stop-motion photography or dye lasers
Flashtube
History and future of the universe
physical models is a vast expansion of space in a tiny fraction of a microsecond, followed by a slower expansion and the creation of matter and antimatter
Chronology_of_the_universe
Standard formats for transferring time information
the carrier. Typical commercial devices will synchronize to within 1 microsecond using IRIG B timecodes. IRIG timecode is made up of repeating frames
IRIG_timecode
Ballistic Research Laboratories Electronic Scientific Computer
addition took 5 microseconds, a floating-point addition took 5 to 10 microseconds, a multiplication (fixed- or floating-point) took 25 microseconds, and a division
BRLESC
Science of the motion of projectiles
Wesson revolver firing, taken with an ultra high speed air-gap flash. Using this sub-microsecond flash, the bullet can be imaged without motion blur.
Ballistics
Geological phenomenon
6876 Ra-226 1,599 years 4.784 Rn-222 3.823 days 5.4897 Po-218 3.04 minutes 5.181 Po-214 163.7 microseconds 7.686 Po-210 138.4 days 5.304 Pb-206 stable 0
Pleochroic_halo
Imbalance of electric charges within or on the surface of a material
volts. When touching an object this energy is discharged in less than a microsecond. While the total energy is small, on the order of millijoules, it can
Static_electricity
High-gain voltage amplifier with a differential input
excess of 5,000 V per microsecond. However, it is more common for op amps to have slew rates in the range 5–100 V per microsecond. For example, the general-purpose
Operational_amplifier
Discontinued computer memory type
generation of solid-state drives would achieve 95000 IOPS throughput with 9 microsecond latency. This low latency significantly increases IOPS at low queue depths
3D_XPoint
Single-use source of very short and extremely bright flash of light
The light intensity rises to full magnitude in about 0.1 microsecond. For about 0.5 microsecond the shock wave front instabilities are sufficient to create
Argon_flash
Tabular arrangement of the chemical elements
example, the lifetime of the most long-lived He− level is about 359 microseconds.) The noble gases, having high ionisation energies and no electron affinity
Periodic_table
First all-electronic exchange in Britain
multiplexed conversations could be carried, each conversation using a one-microsecond time slot or channel time at a repetition frequency of 10 kHz. The "highways"
Highgate Wood telephone exchange
Highgate_Wood_telephone_exchange
Metric system unit prefix, one millionth
(HL7) standard, the μ can be replaced by u as well. Microgram Microscope Microsecond Microwave Square micrometre List of commonly used taxonomic affixes International
Micro-
Coordination of independent clocks
the order of a few microseconds but requires direct physical wireless connectivity with negligible link delay (less than 1 microsecond) on links between
Clock_synchronization
Topics referred to by the same term
Unlimited, conservation group TU (time unit), a unit of time equal to 1024 microseconds Transmission unit, a historical unit of loss in long distance telephony
TU
First electronic digital computer in Japan
500 microseconds. An addition or subtraction was clocked at 100 microseconds, multiplication at 1,600 microseconds, and division at 2,100 microseconds. Used
FUJIC
Natural satellite orbiting Earth
fingernails grow). Atomic clocks show that Earth's Day lengthens by about 17 microseconds every year, slowly increasing the rate at which UTC is adjusted by leap
Moon
microseconds, and the return-time of a pulse from a distant target is 1200 microseconds, the apparent distance of the target is only 200 microseconds
Radar_signal_characteristics
1954 transportable computer
access time was 48–384 microseconds. The addition time was 48 microseconds, and the multiplication/division time was 2112 microseconds. These times are excluding
DYSEAC
Periodic table of the elements with eight or more periods
alpha decay or spontaneous fission in microseconds or less. The exact region in which half-lives exceed one microsecond is unknown, though various models
Extended_periodic_table
Satellite navigation system
metres (660 ft), and also provided time synchronization to roughly 50 microseconds. Transit satellites also broadcast encrypted messages, although this
Transit (satellite navigation system)
Transit_(satellite_navigation_system)
Quantum transitions that are not allowed in the most direct mechanism
lifetimes on the order milliseconds to seconds, compared to less than a microsecond for decay via permitted transitions. In some radioactive decay systems
Forbidden_mechanism
Megathrust earthquake off Japan's east coast
The speed of the Earth's rotation increased, shortening the day by 1.8 microseconds due to the redistribution of Earth's mass. The axial shift was caused
2011 Tōhoku earthquake and tsunami
2011_Tōhoku_earthquake_and_tsunami
Time zone observed in India; UTC+05:30
time and frequency broadcast service, which offers IST correct to ±10 microsecond and frequency calibration of up to ±10−10. Time and frequency calibrations
Indian_Standard_Time
128-bit number used to identify information in computer systems
32 bits of the 64-bit 4-microsecond timestamp, origin=Jan 1, 1980 time_low 16 Low-order 16 bits of the 64-bit 4-microsecond timestamp reserved 16 Reserved
Universally_unique_identifier
Type of nuclear magnetic resonance spectroscopy
whole spectrum to be excited with practically achievable pulses of a few microseconds in duration. However, since the natural abundance of 2H is only 0.016%
Deuterium_NMR
Detonator fired by electric current
and Primacord have a detonation velocity of 8 millimeters per microsecond. A one microsecond delay in detonation from one side of a nuclear weapon to the
Exploding-bridgewire detonator
Exploding-bridgewire_detonator
Protects electrical devices from voltage spikes
(AC) circuits from voltage spikes with very short duration measured in microseconds, which can arise from a variety of causes including lightning strikes
Surge_protector
distance on the radar display. Radar timing is usually expressed in microseconds. To relate radar timing to distances traveled by radar energy, the speed
Radar_mile
Electronic component
transients such as 8/20 microseconds or 10/1000 microseconds, where 8 microseconds is the transient's front time and 20 microseconds is the time to half value
Varistor
Early type of computer memory
not in popular use at the time), with recirculation times measured in microseconds. To read or write a particular memory address, it is necessary to wait
Delay-line_memory
American satellite-based radio navigation service
the clocks on GPS satellites, as observed by those on Earth, run 38 microseconds faster per day than those on the Earth. The design of GPS corrects for
Global_Positioning_System
German modular composite armor
like Raytheon's Quick Kill or IMI's Iron Fist it is a microsecond system, needing only microseconds to react. This reduces the minimum defeat distance and
Advanced Modular Armor Protection
Advanced_Modular_Armor_Protection
Comparison of a wide range of timescales
order-of-magnitude quantity together with a base unit of time, like a microsecond or a million years. In some cases, the order of magnitude may be implied
Orders_of_magnitude_(time)
Name of various communications satellites
and the United States to within 1 microsecond of each other (previous efforts were accurate to only 2,000 microseconds). The Telstar 1 satellite also relayed
Telstar
Recording to reproduce a three-dimensional light field
compensates for the fact that the recording time, which is in the order of a microsecond, is still very long compared to the processing time of an electronic
Holography
Early commercial computer
could add two floating-point numbers in about 180 microseconds, and multiply them in about 360 microseconds. Ferranti, which had built the Mark I for the
Ferranti_Mercury
Quantum computer prototype
version Jiuzhang 4.0 "completed a Gaussian boson sampling task in just 25 microseconds – a calculation they estimated would take the world’s most powerful supercomputer
Jiuzhang_(quantum_computer)
Connection standard for electronic musical instruments
total 10 bits. So while the 31,250 baud rate corresponds to 31.25 kbit/s, the net bit rate is 25 kbit/s. Each byte with its frame uses 320 microseconds.
MIDI
SI derived unit of power
average lightning strike peaks at 1 TW, but these strikes only last for 30 microseconds. Petawatt A petawatt can be produced by the current generation of lasers
Watt
This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days
List of radioactive nuclides by half-life
List_of_radioactive_nuclides_by_half-life
Type of electric circuit
Department, Amsterdam, the Netherlands. Riepe, Kenneth B., "High-voltage microsecond pulse-forming network". Review of Scientific Instruments Vol 48(8) pp
Pulse-forming_network
Laboratory No. built 6 Frequency 3,200 MHz Beamwidth 0.8º Pulsewidth 0.8 microsecond RPM 10 rpm Range 200 miles (320 km) Azimuth 360º Other names Microwave
AN/CPS-1
Pocket calculator
operation means shut-off time ranges from 3.3 microseconds during calculations to more than 65 microseconds between. The device relies on the capacitance
Sinclair_Executive
Wireless network standard
(usually abbreviated TU) is used to indicate a unit of time equal to 1024 microseconds. Numerous time constants are defined in terms of TU (rather than the
IEEE_802.11
Computer expansion bus standard
PCIe-CEM 5.0, the additional power connectors need to be able to handle 100-microsecond power draw at 3× of maximum sustained power, reducing to 1× at the 1-second
PCI_Express
Value in the GSM cellular standard
(approximately 3.69 microseconds). With radio waves travelling at about 300,000,000 metres per second (that is 300 metres per microsecond), one TA step then
Timing_advance
{\displaystyle 2^{64}} counting in increments of microseconds. The TSF is based on a 1-MHz clock and "ticks" in microseconds. On a commercial level, industry vendors
Timing synchronization function
Timing_synchronization_function
of announcement, the 3705-I had to use 1.2 microsecond core storage; the later 3705-II uses 1.0 microsecond SRAM. Solid Logic Technology components, similar
IBM 3705 Communications Controller
IBM_3705_Communications_Controller
One quadrillionth of a second
Femtosecond pulse shaping Ultrafast laser spectroscopy Mode-locking Microsecond Millisecond Nanosecond Orders of magnitude (time) "Femtosecond: Merriam
Femtosecond
Personal computer, invented in 1970
1404A silicon gate MOS shift registers. The clock signal period was 1 microsecond (equivalent to a clock speed of 1 MHz), but the program speed averaged
Kenbak-1
Small IBM scientific computer released in 1959
the IBM 1620. Core memory cycle times were 20 microseconds for the (earlier) Model I, 10 microseconds for the Model II (about a thousand times slower
IBM_1620
Type of imaging sensor
scene illumination. Event cameras typically report timestamps with a microsecond temporal resolution, 120 dB dynamic range, and less under/overexposure
Event_camera
Discrete resolution of a measurement with respect to time
1007/978-0-387-35973-1_1376, ISBN 978-0-387-35973-1, retrieved 2024-10-25 Pierce, D. A Microsecond Response Pressure Transducer for Blast Wave Measurements Archived June
Temporal_resolution
are formed at the front of the detonation wave in the span of several microseconds. The diamond yield after detonation crucially depends on the synthesis
Detonation_nanodiamond
Theoretical chemical element with atomic number 119 (Uue)
for 291–307Uue are on the order of microseconds. The longest alpha-decay half-life predicted is ~485 microseconds for the isotope 294Uue. When factoring
Ununennium
Wireless communications protocol
time-domain resources, reducing transmission latency to approximately 20 microseconds. In addition, NearLink applies polar codes and adopts Hybrid Automatic
NearLink
Ordnance Discrete Variable Automatic Computer
2178 vacuum tubes. Its addition time was 72 microseconds and the multiplication time was 732 microseconds. Its main memory consisted of 1024 words of
ORDVAC
Unit of length
speed of data transfer between different parts of a computer. One light-microsecond is about 300 metres. The mean distance, over land, between opposite sides
Light-second
One trillionth of a second
computer CPU to complete a processing cycle SI unit Second Nanosecond Microsecond Millisecond Jiffy (time) Orders of magnitude (time) "Trillion-frame-per-second
Picosecond
Wireless networking standard
bandwidth of 16.6 MHz. Symbol duration is 4 microseconds, which includes a guard interval of 0.8 microseconds. The actual generation and decoding of orthogonal
IEEE_802.11g-2003
Metric prefix
solar capacity reached several terawatts in 2022. Peak power of a 30-microsecond lightning strike. terawatt-hour (TW⋅h or TWh): common unit for large-scale
Tera-
Study of subatomic particles and forces
are unstable and the longest-lived last for only a few hundredths of a microsecond. They occur after collisions between particles made of quarks, such as
Particle_physics
Computer series
was 1 microsecond (which gives a clock rate of 1 MHz), with 12 microsecond memory access and a fixed-point multiplication taking 242 microseconds. Input/output
Philco_computers
Quantum computing chip
Sycamore and improves upon T1 coherence time from Sycamore's 20 microseconds to 100 microseconds. Willow's 105 qubits have an average connectivity of 3.47.
Willow_processor
Device measuring electrical waves on a power grid
reference source provides the needed high-speed synchronized sampling with 1 microsecond accuracy. However, PMUs can take in multiple time sources including non-GPS
Phasor_measurement_unit
MICROSECOND
MICROSECOND
MICROSECOND
MICROSECOND
Boy/Male
Indian, Sanskrit
Demonlike; Verypowerful
Boy/Male
Australian, Romanian
Gift from God
Girl/Female
Hindu, Indian
Attracted
Boy/Male
Indian
King of Solar System
Boy/Male
French German
A Old French Auberi. Auberon was the king of the fairies in medieval romance.
Girl/Female
English
Blend of Deanne (divine) plus variants of Andrea (masculine) and Sandra (protector of man. ).
Girl/Female
Indian, Punjabi, Sikh
Lover of Wind; Air
Girl/Female
Muslim
Charitable and kind
Girl/Female
Danish, German, Swedish
Grace; Favor
Boy/Male
Indian
Absolute.
MICROSECOND
MICROSECOND
MICROSECOND
MICROSECOND
MICROSECOND