at+the+proper+time
11Proper acceleration — [Edwin F. Taylor John Archibald Wheeler (1966 1st ed. only) Spacetime Physics (W.H. Freeman, San Francisco) ISBN 0 7167 0336 X] is the physical acceleration experienced by an object. It equals the rate of change of proper velocity with respect to …
12Proper motion — The proper motion of a star is its angular change in position over time as seen from the center of mass of the solar system.[1] It is measured in seconds of arc per year, arcsec/yr, where 3600 arcseconds equal one degree.[2] This contrasts with… …
13The Art of Fiction — The Art of Fiction: A Guide for Writers and Readers is a nonfiction book by Ayn Rand, published posthumously. Edited by Tore Boeckmann, it was published by Plume in 2000, ISBN 0452281547. The book is based on a 1958 series of 12 four hour… …
14The Grammar of Science — is a book by Karl Pearson first published at London by Walter Scott in 1892. It was recommended by Einstein to his friends of the Olympia Academy. Several themes were covered in this book that later became part of the theories of Einstein and… …
15Time from NPL — Map showing the location of the Anthorn VLF transmitter within Cumbria …
16Proper orbital elements — The proper orbital elements of an orbit are constants of motion of an object in space that remain practically unchanged over an astronomically long timescale. The term is usually used to describe the three quantities: * proper semimajor axis ( ap …
17The Gathering (computer party) — The Gathering (abbreviated as TG for short) is one of the largest computer parties in the world. It is held annually in Vikingskipet Olympic Arena in Hamar, Norway, and lasts for five consecutive days (starting on the Wednesday in Easter each… …
18The Standard State Zoning Enabling Act — was written by a New York City commission headed by Edward Bassett and signed by Mayor John Purroy Mitchel in 1916 to regulate buildings and land usage in New York City. It was bought forth as part of the reaction to the construction of the… …
19The Constitution is not a suicide pact — is a phrase in American political and legal discourse. The phrase expresses the belief that constitutional restrictions on governmental power must be balanced against the need for survival of the state and its people. It is most often attributed… …
20The Green Book (IRA training manual) — The IRA Green Book is a training and induction manual issued by the Irish Republican Army to new volunteers. It was used by the post Irish Civil War Irish Republican Army (IRA) and Cumann na mBan, ( League of Women ), along with offspring… …
