rate of a chronometer
41Time value of money — The time value of money is the value of money figuring in a given amount of interest earned over a given amount of time. The time value of money is the central concept in finance theory. For example, $100 of today s money invested for one year… …
42Spacetime — For other uses of this term, see Spacetime (disambiguation). Two dimensional analogy of spacetime distortion. Matter changes the geometry of spacetime, this (curved) geometry being interpreted as gravity. White lines do not represent the… …
43Mental chronometry — For Ian Lowe s book, see Reaction Time (book). Reaction time redirects here. For the biological mechanism, see Reflex. Mental chronometry is the use of response time in perceptual motor tasks to infer the content, duration, and temporal… …
44Nansens Fram-Expedition — Die Fram bei der Abreise aus Bergen am 2. Juli 1893 Die Fram Expedition (1893–1896) unter der Leitung des norwegischen Polarforschers Fridtjof Nansen war eine Forschungsreise in die Arktis mit dem Ziel, den geographischen Nordpol mit Hilfe der… …
45Hourglass — For other uses, see Hourglass (disambiguation). Hourglass in a three legged stand An hourglass (sandglass, sand timer, sand clock, egg timer) measures the passage of a few minutes or an hour of time. It has two connected vertical glass bulbs… …
46Arniston (ship) — The Arniston was an East Indiaman ship that was wrecked on 30 May 1815 during a storm at Waenhuiskrans, near Cape Agulhas, South Africa with the loss of 372 lives and only 6 survivors. She had been requisitioned as troopship and was underway from …
47United Kingdom — Infobox Country conventional long name = United Kingdom of Great Britain and Northern Ireland common name = the United Kingdom symbol type = Royal coat of arms map caption = map caption |countryprefix=the |region=on the European continent… …
48ΔT — This article is about the time difference. For the temperature difference, see psychrometrics. ΔT vs. time from 1657 to 1984[1] ΔT, Delta T, delta T, deltaT, or DT is the time difference obtained by subtracting Universal Time (UT) from… …
49Pendulum — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance …
50Crawford burner — A Crawford burner is a device used to test burn rate (chemistry) of solid propellants. It is also known as a strand burner. A Crawford burner consists of a small pressure vessel in which a thin bar of propellant to be tested is mounted on a stand …
