number of seconds
71Perfect Dark — This article is about the Nintendo 64 video game. For other uses, see Perfect Dark (disambiguation). Perfect Dark …
72Tachymeter scale — For example, if one were driving on the highway and timed how long it took to travel 1 mile, the tachymeter scale allows one to determine at a glance the speed in miles per hour. The typical tachymeter scale on a watch converts between the number …
73Dog agility — Agility field left side: A competition agility field showing (clockwise from lower left) a tunnel, the dogwalk, the judge standing in front of a winged jump, two additional winged jumps, dog executing the teeter totter with his handler guiding,… …
74Epoch (reference date) — In the fields of chronology and periodization, an epoch means an instant in time chosen as the origin of a particular era. The epoch then serves as a reference point from which time is measured. Time measurement units are counted from the epoch… …
75Uptime — This article is about uninterrupted system availability. For use in logistics, see Downtime. For enterprise computing, see high availability. Uptime is a measure of the time a machine has been up without any downtime. Htop adds an exclamation… …
76ITU G.992.1 — In telecommunications, ITU G.992.1 (better known as G.DMT) is an ITU standard for ADSL using discrete multitone modulation. G.DMT full rate ADSL expands the usable bandwidth of existing copper telephone lines, delivering high speed data… …
77test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …
78Frequency — For other uses, see Frequency (disambiguation). Three cyclically flashing lights, from lowest frequency (top) to highest frequency (bottom). f is the frequency in hertz (Hz), meaning the number of cycles per second. T is the period in seconds (s) …
79Unusual uses of traffic lights — Unusual uses of traffic lights, as used in various regional locations, may for example include traffic lights used in a non standard fashion, or in a non standard arrangement, or for specific traffic. Alternating Alternates (Flashing Lights) In… …
80Metric time — is the measure of time interval using the metric system, which defines the second as the base unit of time, and multiple and submultiple units formed with metric prefixes, such as kiloseconds and milliseconds. It does not define the time of day,… …
