thermal link
81Directed-energy weapon — This article is about practical experiments with energy weapons. For fictional uses, see raygun. Humvee with Active Denial System mounted A directed energy weapon (DEW) emits energy in an aimed direction without the means of a projectile. It… …
82Mars — This article is about the planet. For other uses, see Mars (disambiguation) …
83Colony collapse disorder — Honey bees entering a beehive Colony collapse disorder (CCD) is a phenomenon in which worker bees from a beehive or European honey bee colony abruptly disappear. While such disappearances have occurred throughout the history of apiculture, the… …
84Neutron cross section — Science with Neutrons Foundations Neutron temperature Flux · Radiation  …
85Interplanetary spaceflight — or interplanetary travel is travel between planets within a single planetary system. In practice, spaceflights of this type are confined to travel between the planets of the Solar System. Current achievements in interplanetary travel Remotely… …
86Petroleum — For other uses, see Petroleum (disambiguation). Proven world oil reserves, 2009 …
87Anaerobic digestion — and regenerative thermal oxidiser component of Lübeck mechanical biological treatment plant in Germany, 2007 …
88Athens — This article is about the capital of Greece. For other uses, see Athens (disambiguation). Athens Αθήνα Athīna …
89Solar variation — Solar variations are changes in the amount of solar radiation emitted by the Sun. There are periodic components to these variations, the principal one being the 11 year solar cycle (or sunspot cycle), as well as aperiodic fluctuations. Solar… …
90Abrupt climate change — See also: Runaway climate change and Avoiding dangerous climate change An abrupt climate change occurs when the climate system is forced to transition to a new state at a rate that is determined by the climate system itself, and which is… …
