Four other, smaller telescopes are part of the extended Very Large Telescope. Each of these Auxiliary Telescopes has a mirror that's 1.8 meters (5.9 feet) in diameter and is positioned on tracks ...
Cell phone bans, dress code changes – in some cases banning hoodies and all-black clothing – and even the removal of mirrors from school ... by placing it over a large magnet at an unlocking ...
The Extremely Large Telescope under construction in ... None of that would be possible without some of the most advanced mirrors ever made. Florent Mallet/Mersen Boostec Dr Elise Vernet inspecting ...