Megascale engineering — (or macro engineering)[1] is a form of exploratory engineering concerned with the construction of structures on an enormous scale. Typically these structures are at least 1,000 kilometers in length in other words, at least 1 megameter, hence the… … Wikipedia
Solar shade — Use of solar shades is a proposed approach to the mitigation of global warming through planetary engineering. By intentionally changing the Earth s albedo, or reflectivity, scientists propose that we could reflect more heat back out into space,… … Wikipedia
Sphère de Dyson — Pour les articles homonymes, voir Sphère (homonymie) et Dyson (homonymie). Schéma d’une coquille de Dyson d’une unité astronomique de rayon. Une sphère … Wikipédia en Français
Fermi paradox — The Fermi paradox is the apparent contradiction between high estimates of the probability of the existence of extraterrestrial civilizations and the lack of evidence for, or contact with, such civilizations.The extreme age of the universe and its … Wikipedia
Nanotechnology — Part of a series of articles on … Wikipedia
Gregory Benford — Infobox Writer imagesize = 150px name = Gregory Benford caption = pseudonym = birthname = birthdate = birth date and age|1941|01|30 birthplace = Mobile, Alabama deathdate = deathplace = occupation = Writer nationality = USA period = genre =… … Wikipedia
Kardashev scale — The Kardashev scale is a method of measuring a civilization s level of technological advancement. It was first proposed in 1964 by the Soviet astronomer Nikolai Kardashev. The scale has three designated categories called Type I , II , and III .… … Wikipedia
Microtechnology — is technology with features near one micrometre (one millionth of a metre, or 10−6 metre, or 1μm). In the 1960s, scientists learned that by arraying large numbers of microscopic transistors on a single chip, microelectronic circuits could be… … Wikipedia
Matrioshka brain — A matrioshka brain is a hypothetical megastructure proposed by Robert Bradbury, based on the Dyson sphere, of immense computational capacity. It is an example of a Class B stellar engine, employing the entire energy output of a star to drive… … Wikipedia
Xenoarchaeology — is a hypothetical form of archaeology concerned with the physical remains of past (but not necessarily extinct) alien cultures. These may be found on planets or satellites, in space, the asteroid belt, planetary orbit or Lagrangian… … Wikipedia