removing methane
61Fuel cell — For other uses, see Fuel cell (disambiguation). Demonstration model of a direct methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image A fuel cell is a device that converts the chemical energy from a… …
62Paleoclimatology — (also Palaeoclimatology) is the study of climate change taken on the scale of the entire history of Earth. It uses records from ice sheets, tree rings, sediment, and rocks to determine the past state of the climate system on Earth. Reconstructing …
63Haloalkane — The haloalkanes (also known as halogenoalkanes or alkyl halides) are a group of chemical compounds, consisting of alkanes, such as methane or ethane, with one or more halogens linked, such as chlorine or fluorine, making them a type of organic… …
64Will-o'-the-wisp — For other uses, see Will o the wisp (disambiguation). Will o the wisp Phenomenon An 1882 oil painting of a will o the wisp by Arnold Böcklin See also …
65Global climate model — AGCM redirects here. For Italian competition regulator, see Autorità Garante della Concorrenza e del Mercato. Climate models are systems of differential equations based on the basic laws of physics, fluid motion, and chemistry. To “run” a model,… …
66Positive feedback — Alarm or panic can spread by positive feedback among a herd of animals to cause a stampede. Positive feedback is energy taken from the output of a system and reapplied to the input, which is phase congruent with the input signal. A system… …
67Dairy farming — Dairy farm redirects here. For the retail company in Asia, see Dairy Farm International Holdings. A rotary milking parlor in an industrial dairy facility, located in Germany Dairy farming is a class of agricultural, or an animal husbandry,… …
68Orion (spacecraft) — Infobox Spacecraft Name = Orion Caption = Orion logo designed by Michael Okuda Organization = NASA Major Contractors = Lockheed Martin Bus = Mission Type = Crew Exploration Vehicle Flyby Of = Satellite Of = Earth, Moon, Asteroid, Mars (possibly)… …
69Sierra Nevada Brewing Company — Infobox Brewery name = Sierra Nevada Brewing Company caption = location = Chico, CA United States owner = Ken Grossman (independent) opened = 1979 production = 680,000 barrels active beers = brewbox beer | name=Sierra Nevada Pale Ale | style=Pale …
70Hydrogen embrittlement — (or hydrogen grooving) is the process by which various metals, most importantly high strength steel, become brittle and crack following exposure to hydrogen. Hydrogen cracking can pose an engineering problem especially in the context of a… …
