measuring precision
41Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
42Caliper — For other uses, see Caliper (disambiguation). A vernier caliper …
43History of timekeeping devices — For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12 hour periods, and… …
44Kilogram — Kg redirects here. For other uses, see Kg (disambiguation). Kilogram A computer generated image of the international prototype kilogram (IPK). The IPK is the kilogram. The IPK, which is roughly the size of a golf ball, sits here alongside a ruler …
45Surveying — For other uses, see Survey (disambiguation). US Navy Surveyor at work with a leveling instrument …
46FLOPS — Computer performance Name FLOPS yottaFLOPS 1024 zettaFLOPS 1021 exaFLOPS 1018 petaFLOPS 1015 teraFLOPS 1012 gigaFLOPS 109 megaFLOPS 106 kiloFLOPS …
47Apache Point Observatory Lunar Laser-ranging Operation — APOLLO shooting a laser at the Moon. The laser pulse is reflected from the retroreflectors on the Moon (see below) and returned to the telescope. The round trip time tells the distance to the Moon to great accuracy. In this picture the Moon is… …
48Geophysical MASINT — is a branch of Measurement and Signature Intelligence (MASINT) that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and… …
49Friedrich Kohlrausch — Infobox Scientist name = Friedrich Kohlrausch |200px image width = 200px caption = Friedrich Wilhelm Georg Kohlrausch (1840 1910) birth date = birth date|1840|10|14|mf=y birth place = Rinteln, Germany death date = death date and… …
50ANOVA Gauge R&R — (or ANOVA Gauge Repeatability Reproducibility) is a Measurement Systems Analysis technique which uses Analysis of Variance (ANOVA) random effects model to assess a measurement system. The evaluation of a measurement system is not limited to… …
