positional uncertainty
1Timekeeping on Mars — Various schemes have been used or proposed to keep track of time and date on the planet Mars independently of Earth time and calendars. Mars has an axial tilt and a rotation period similar to those of Earth. Thus it experiences seasons of spring …
2Panspermia — (Greek: πανσπερμία from πᾶς/πᾶν (pas/pan) all and σπέρμα (sperma) seed ) is the hypothesis that life exists throughout the Universe, distributed by meteoroids, asteroids and planetoids.[1] Panspermia proposes tha …
3Northwest Airlines Flight 1482 — Collision between Northwest Airlines Flight 1482 and Flight 299 Accident summary Date 3 December 1990 Type Ground collision in low visibility …
4Decision making — For Decision making in groups, see Group decision making. Sample flowchart representing the decision process to add a new article to Wikipedia. Decision making can be regarded as the mental processes (cognitive process) resulting in the selection …
5Predispositioning Theory — was founded by Aron Katsenelinboigen (1927–2005), a Professor in Wharton School who dealt with indeterministic systems such as chess, business, economics, and other fields of knowledge and also made an essential step forward in elaboration of… …
6David Hemenway — is Professor of Health Policy at the Harvard School of Public Health. He has a B.A. (1966) and Ph.D.(1974) from Harvard University in economics. He is the director of the Harvard Injury Control Research Center and the Harvard Youth Violence… …
7White dwarf — For other uses, see White dwarf (disambiguation). Image of Sirius A and Sirius B taken by the Hubble Space Telescope. Sirius B, which is a white dwarf, can be seen as a faint pinprick of light to the lower left of the much brighter Sirius A …
8Claude Shannon — Claude Elwood Shannon (1916 2001) Born April …
9History of algebra — Elementary algebra is the branch of mathematics that deals with solving for the operands of arithmetic equations. Modern or abstract algebra has its origins as an abstraction of elementary algebra. Historians know that the earliest mathematical… …
10Gender roles in Christianity — Part of a series on Christianity and Gender Theology Female disciples of Jesus Gender roles in Christianity …
