to calibrate in absolute units
11Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A …
12Yom Kippur War — Battle of Syria redirects here. For the World War II campaign against the Vichy French in Syria, see Syria Lebanon Campaign. Yom Kippur War/October War Part of the …
13William Thomson, 1st Baron Kelvin — Infobox Scientist box width = 300px name = Lord Kelvin image width = 300px caption = William Thomson, 1st Baron Kelvin (1824 1907) birth date = birth date|1824|6|26|df=y birth place = Belfast, Co. Antrim, Northern Ireland death date = death date… …
14Geologic record — The layer cake like appearance of concordant strata laid down over hundreds of thousands of years …
15Fossil — For other uses, see Fossil (disambiguation). Three small ammonite fossils, each approximately 1.5 cm across …
16Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea …
17Flow measurement — is the quantification of bulk fluid movement. Flow can be measured in a variety of ways. Positive displacement flow meters acumulate a fixed volume of fluid and then count the number of times the volume is filled to measure flow. Other flow… …
18Electrical resistivity and conductivity — This article is about electrical conductivity in general. For the specific conductance of aqueous solutions, see Conductivity (electrolytic). For other types of conductivity, see Conductivity. Electrical resistivity (also known as resistivity,… …
19National Physical Laboratory of India — National Physical Laboratory Agency overview Formed January 4, 1947 Headquarters New Delhi Agency executive Prof RC Budhani, Director Parent agency Council of Scientific and Industrial Research …
20Hygrometer — Not to be confused with hydrometer. A hygrometer (UK: /haɪˈɡrɒmɪtə/) is an instrument used for measuring the moisture content in the environmental air, or humidity. Most measurement devices usually rely on measurements of some other quantity …
