How arraying antennas creates a narrower beam, choosing antenna elements and array geometry, gain tapering techniques and mutual coupling problems.| www.viksnewsletter.com
THz radiations finds unique applications in astronomy, medicine and communications, but not without its own distinct challenges.| www.viksnewsletter.com
Today, at simultaneous press conferences around the world, including at the European Southern Observatory (ESO) headquarters in Germany, astronomers have unveiled the first image of the supermassive black hole at the centre of our own Milky Way galaxy. This result provides overwhelming evidence that the object is indeed a black hole and yields valuable clues about the workings of such giants, which are thought to reside at the centre of most galaxies. The image was produced by a global resear...| www.eso.org