Recent Examples of etch from the Web. 1  These huge, $100 million systems essentially etch tiny transistor patterns onto silicon at nanometer scale. â , sandiegouniontribune.com, ASML's Cymer Technologies hits milestones to deliver smaller, faster chips, 29 Aug. 2017.
Hoba: The World's Largest Meteorite. Hoba Meteorite - world's largest: Photograph of the Hoba Meteorite taken by Giraud Patrick on August 13, 2006. Hoba weighs about 66 tons and is nine feet long by nine feet wide by three feet thick. Image used under a GNU Free Documentation license.
Notable meteoritesEdit. 1  Allende, largest known carbonaceous chondrite (Chihuahua, Mexico, 1969). 2  Allan Hills A81005 â First meteorite determined to be of lunar origin. 3  Allan Hills 84001 â Mars meteorite that was claimed to prove the existence of life on Mars.