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.
Biggest meteor craters on Earth. Vredefort, South Africa. Located at the south-west of Johannesburg, the crater is believed to have been made by an asteroid impact on Earth some two billion years ago. With an estimated radius of 118 miles (190 km), the crater is reportedly the site of the largest energy release in the world.