63 relations: A440 (pitch standard), Attosecond, Baseball, Blinking, C-4 (explosive), Camera, Earth, Eighth note, Electrical grid, Electrification, Equator, Europe, Facial expression, Femtosecond, Ferrari 458, Ferrari FXX, Flash (photography), Frequency, Geosynchronous satellite, Global Positioning System, Hard disk drive, Hard disk drive performance characteristics, Hearing range, Helicopter, Hertz, Honey bee, Housefly, Human eye, Hummingbird, Hundred twenty-eighth note, Interlaced video, International System of Units, Internet access, Jiffy (time), Lag, Lamborghini Aventador, Light, Mains electricity, Microsecond, Milli-, Millisecond, Movie theater, Nanosecond, NTSC, Online game, Order of magnitude, Orders of magnitude (time), Picosecond, Pitch (baseball), Rail transport, ..., Refresh rate, Second, Shutter speed, Sixteenth note, Sixty-fourth note, Speed of light, Speed of sound, Telephone, Tempo, Thirty-second note, Time, Two hundred fifty-sixth note, United States. Expand index (13 more) » « Shrink index
A440 or A4 (also known as the Stuttgart pitch), which has a frequency of 440 Hz, is the musical note of A above middle C and serves as a general tuning standard for musical pitch.
An attosecond is 1×10−18 of a second (one quintillionth of a second).
Baseball is a bat-and-ball game played between two opposing teams who take turns batting and fielding.
Blinking is a bodily function; it is a semi-autonomic rapid closing of the eyelid.
C-4 or Composition C-4 is a common variety of the plastic explosive family known as Composition C. A similar British plastic explosive, based on RDX but with different plasticizer than Composition C-4, is known as PE-4 (Plastic Explosive No. 4).
A camera is an optical instrument for recording or capturing images, which may be stored locally, transmitted to another location, or both.
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
'''Figure 1.''' An eighth note with stem facing up, an eighth note with stem facing down, and an eighth rest. '''Figure 2.''' Four eighth notes beamed together. An eighth note (American) or a quaver (British) is a musical note played for half the value of a quarter note (crotchet) and twice that of the sixteenth note (semiquaver), which amounts to one quarter the duration of a half note (minim), one eighth the duration of whole note (semibreve), one sixteenth the duration of a double whole note (breve), and one thirty-second the duration of a longa, hence the name.
An electrical grid is an interconnected network for delivering electricity from producers to consumers.
Electrification is the process of powering by electricity and, in many contexts, the introduction of such power by changing over from an earlier power source.
An equator of a rotating spheroid (such as a planet) is its zeroth circle of latitude (parallel).
Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere.
A facial expression is one or more motions or positions of the muscles beneath the skin of the face.
A femtosecond is the SI unit of time equal to 10−15 or 1/1,000,000,000,000,000 of a second; that is, one quadrillionth, or one millionth of one billionth, of a second.
The Ferrari 458 Italia is a mid-engined sports car produced by the Italian sports car manufacturer Ferrari.
The Ferrari FXX is a high-performance track only developmental prototype built by automobile manufacturer Ferrari.
A flash is a device used in photography producing a flash of artificial light (typically 1/1000 to 1/200 of a second) at a color temperature of about 5500 K to help illuminate a scene.
Frequency is the number of occurrences of a repeating event per unit of time.
A geosynchronous satellite is a satellite in geosynchronous orbit, with an orbital period the same as the Earth's rotation period.
The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Air Force.
A hard disk drive (HDD), hard disk, hard drive or fixed disk is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.
Higher performance in hard disk drives comes from devices which have better performance characteristics.
Hearing range describes the range of frequencies that can be heard by humans or other animals, though it can also refer to the range of levels.
A helicopter is a type of rotorcraft in which lift and thrust are supplied by rotors.
The hertz (symbol: Hz) is the derived unit of frequency in the International System of Units (SI) and is defined as one cycle per second.
A honey bee (or honeybee) is any member of the genus Apis, primarily distinguished by the production and storage of honey and the construction of perennial, colonial nests from wax.
The housefly (Musca domestica) is a fly of the suborder Cyclorrhapha.
The human eye is an organ which reacts to light and pressure.
Hummingbirds are birds from the Americas that constitute the family Trochilidae.
In music, a hundred twenty-eighth note or semihemidemisemiquaver or quasihemidemisemiquaver is a note played for of the duration of a whole note.
Interlaced video is a technique for doubling the perceived frame rate of a video display without consuming extra bandwidth.
The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of measurement.
Internet access is the ability of individuals and organizations to connect to the Internet using computer terminals, computers, and other devices; and to access services such as email and the World Wide Web.
Jiffy is an informal term for any unspecified short period of time, as in "I will be back in a jiffy".
In online gaming, lag is a noticeable delay between the action of players and the reaction of the server in a video game.
The Lamborghini Aventador is a mid-engined sports car produced by the Italian automotive manufacturer Lamborghini.
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.
Mains electricity (as it is known in the UK; US terms include grid power, wall power, and domestic power) is the general-purpose alternating-current (AC) electric power supply.
A microsecond is an SI unit of time equal to one millionth (0.000001 or 10−6 or 1/1,000,000) of a second.
Milli- (symbol m) is a unit prefix in the metric system denoting a factor of one thousandth (10−3).
A millisecond (from milli- and second; symbol: ms) is a thousandth (0.001 or 10−3 or 1/1000) of a second.
A movie theater/theatre (American English), cinema (British English) or cinema hall (Indian English) is a building that contains an auditorium for viewing films (also called movies) for entertainment.
A nanosecond (ns) is an SI unit of time equal to one thousand-millionth of a second (or one billionth of a second), that is, 1/1,000,000,000 of a second, or 10 seconds.
NTSC, named after the National Television System Committee,National Television System Committee (1951–1953),, 17 v. illus., diagrs., tables.
An online game is a video game that is either partially or primarily played through the Internet or any other computer network available.
An order of magnitude is an approximate measure of the number of digits that a number has in the commonly-used base-ten number system.
An order of magnitude of time is (usually) a decimal prefix or decimal order-of-magnitude quantity together with a base unit of time, like a microsecond or a million years.
A picosecond is an SI unit of time equal to 10−12 or 1/1,000,000,000,000 (one trillionth) of a second.
In baseball, a pitch is the act of throwing a baseball toward home plate to start a play.
Rail transport is a means of transferring of passengers and goods on wheeled vehicles running on rails, also known as tracks.
The refresh rate (most commonly the "vertical refresh rate", "vertical scan rate" for cathode ray tubes) is the number of times in a second that a display hardware updates its buffer.
The second is the SI base unit of time, commonly understood and historically defined as 1/86,400 of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each.
In photography, shutter speed or exposure time is the length of time when the film or digital sensor inside the camera is exposed to light, also when a camera's shutter is open when taking a photograph.
'''Figure 1.''' A 16th note with stem facing up, a 16th note with stem facing down, and a 16th rest. '''Figure 2.''' Four 16th notes beamed together. In music, a sixteenth note (American) or semiquaver (British) is a note played for half the duration of an eighth note (quaver), hence the names.
In music notation, a sixty-fourth note (American), or hemidemisemiquaver or semidemisemiquaver (British), sometimes called a half-thirty-second note, is a note played for half the duration of a thirty-second note (or demisemiquaver), hence the name.
The speed of light in vacuum, commonly denoted, is a universal physical constant important in many areas of physics.
The speed of sound is the distance travelled per unit time by a sound wave as it propagates through an elastic medium.
A telephone, or phone, is a telecommunications device that permits two or more users to conduct a conversation when they are too far apart to be heard directly.
In musical terminology, tempo ("time" in Italian; plural: tempi) is the speed or pace of a given piece.
In music, a demisemiquaver (British) or thirty-second note (American) is a note played for of the duration of a whole note (or semibreve).
Time is the indefinite continued progress of existence and events that occur in apparently irreversible succession from the past through the present to the future.
In music, a two hundred fifty-sixth note (or occasionally demisemihemidemisemiquaver) is a note played for of the duration of a whole note.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.