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.
The Russian meteor is the largest reported to hit Earth since the meteor that hit the Tunguska region in Siberia in 1908. Asteroid 2012 DA14, which peacefully passed Earth Friday, hours after the Russian meteor explosion, had a slightly different trajectory and was about three times larger in size. Related Stories.