emission to water
71Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
72Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An …
73comet — cometary /kom i ter ee/, cometic /keuh met ik/, cometical, adj. cometlike, adj. /kom it/, n. Astron. a celestial body moving about the sun, usually in a highly eccentric orbit, consisting of a central mass surrounded by an envelope of dust and… …
74spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …
75environmental law — Introduction principles, policies, directives, and regulations enacted and enforced by local, national, or international entities to regulate human treatment of the nonhuman world. The vast field covers a broad range of topics in diverse legal… …
76Actinide — The atomic bomb dropped on Nagasaki had a plutonium charge.[1] The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium thro …
77Atom — The atom is the smallest unit of an element that retains the chemical properties of that element. An atom has an electron cloud consisting of negatively charged electrons surrounding a dense nucleus. The nucleus contains positively charged… …
78Scientific opinion on climate change — This article is about scientific opinion on climate change. For public perception and controversy about the scientific consensus, see Public opinion on climate change and Global warming controversy. For opinions of individual dissenting… …
79Geology of Mars — Mars   Mars as seen by the Hubble Space Telescope Designations …
80Mémoire de l'eau — La mémoire de l’eau est le nom donné en 1988[1], au cours d une controverse médiatique, à une hypothèse du chercheur Jacques Benveniste selon laquelle l’eau qui a été en contact avec certaines substances conserve une empreinte de certaines… …
