aerial magnetic survey
31Health and Disease — ▪ 2009 Introduction Food and Drug Safety. In 2008 the contamination of infant formula and related dairy products with melamine in China led to widespread health problems in children, including urinary problems and possible renal tube… …
32Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
33NASA World Wind — Screenshot of World Wind showing Blue Marble Next Generation layer Developer(s) NASA Ames Research Center Initial release 2004 …
34Ufology — is a neologism coined to describe the collective efforts of those who study unidentified flying object reports and associated evidence. Not all ufologists believe that UFOs are necessarily extraterrestrial spacecraft, or even that they are… …
35Edwards Air Force Base — Part of Air Force Materiel Command (AFMC) Located near: Edwards, California …
36Meteor Crater — For meteorite created craters in general, see Impact crater. Barringer Crater redirects here. For the crater on the Moon, see Barringer (lunar crater). Meteor Crater Also known as Barringer Crater …
37environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
38Nikola Tesla — Tesla, aged 37, 1893, photo by Sar …
39Nimrod Expedition — Jameson Adams, Frank Wild and Eric Marshall (from left to right) plant the Union jack at their southernmost position, 88° 23′, on 9 January 1909. The photograph was taken by expedition leader Ernest Shackleton. The British Antarctic… …
40Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …
