calibrating press
41Radiocarbon dating — (sometimes simply known as carbon dating) is a radiometric dating method that uses the naturally occurring radioisotope carbon 14 (14C) to estimate the age of carbon bearing materials up to about 58,000 to 62,000 years.[1] Raw, i.e. uncalibrated …
42Sextant — This article is about the sextant as used for navigation. For the astronomer s sextant, see Sextant (astronomical). : For the history and development of the sextant see Reflecting instruments A sextant is an instrument generally used to measure… …
43Ferrocene — Chembox new ImageFileL1 = Ferrocene 2D.png ImageSizeL1 = 80 px ImageFileR1 = Ferrocene 3D balls B.png ImageSizeR1 = 120 px IUPACName = ferrocene, bis(η5 cyclopentadienyl)iron OtherNames = ferrocene, iron cyclopentadienyl Section1 = Chembox… …
44Oak Island — This article is about the Oak Island in Nova Scotia. For other uses see Oak Island (disambiguation) Oak Island Oak Island, Nova Scotia Geography Location Nova Scotia Canada …
45U.S. Immigration and Customs Enforcement — Abbreviation ICE ICE is a component of the United States Department of Homeland Security …
46Beagle 2 — Infobox Spacecraft Name = Beagle 2 Caption = Beagle 2 as it would have looked on Mars Organization = ESA Major Contractors = Mission Type = Lander Satellite Of = Mars Orbital Insertion Date = December 25, 2003 Launch = June 2 2003 Launch Vehicle …
47Beer Judge Certification Program — The Beer Judge Certification Program or BJCP is a non profit organization formed in 1985 to promote beer literacy and the appreciation of real beer, and to recognize beer tasting and evaluation skills. It has been described in the press as a… …
48Motor learning — is a “relatively permanent” change, resulting from practice or a novel experience, in the capability for responding (Guthrie, 1952). It often involves improving the smoothness and accuracy of movements and is obviously necessary for complicated… …
49Climate of Mars — Mosaic image of Mars as seen by Viking 1, 22 February 1980 The climate of Mars has been an issue of scientific curiosity for centuries, not least because Mars is the only terrestrial planet whose surface can be directly observed in detail from… …
50QF 4.5 inch Howitzer — Infobox Weapon name= Ordnance QF 4.5 inch Howitzer caption=Camouflaged British 4.5 inch field howitzer on the Western Front, probably 1917 origin= UK type= Field howitzer is artillery=yes is ranged=yes is bladed= is explosive=yes is UK=yes… …
