Astronomy Telescope throws new light on Saturn’s rings R. RamachandranOne such intriguing feature is the long-lasting hexagon-shaped structure circling the planet’s north pole. This pattern, which NASA’s Voyager 1 spacec
Physics Neutrino gainsR. RamachandranOn September 13, scientists from the Karlsruhe Tritium Neutrino (KATRIN) experiment reported that the estimated range for the rest mass of the neutrin
Astrophysics Neutrino mass gets an upper limitR. Ramachandran“A hundred billion neutrinos fly through your thumb from the sun every second. What we do know is that as they move, they can change between their th
Medicine Recreating the retina to test harmful drugsR. RamachandranMany diseases that cause blindness harm the retina. The retina is also vulnerable to the harmful side effects of drugs used to treat diseases such as
Astrophysics Star dust in AntarcticaR. RamachandranThe team, led by Dominik Knoll of Australian National University, collected 500 kg of “fresh” (less than 20 years old) Antarctic snow, melted it and a
Chemistry First ever stable ring of pure carbonR. RamachandranBut just a ring of carbon, with each atom bonding with only two neighbouring atoms? Chemists Roald Hoffman at Cornell University and others have conj
Physics Making objects “invisible” in fluidsR. RamachandranIn the past decade, researchers have used complex artificial materials, “metamaterials”, to build invisibility cloaks for electromagnetic waves, sound
Astronomy Surprise merger in deep spaceR. RamachandranOn August 14, gravitational-wave detectors, the Advanced Laser Interferometer Gravitational-wave Observatory (LIGO) comprising twin detectors in the U
Meteorology Hottest July on recordR. RamachandranAccording to NOAA, nine of the 10 hottest Julys have occurred since 2005—with the last five years ranking as the five hottest. July 2019 was also the
Physics Lasers to weld ceramicR. RamachandranThe technique uses an ultrafast pulsed laser to melt ceramic materials along the interface and fuse them together. The process can be carried out in a
Physics Solar panel that unfurls automaticallyR. Ramachandran The device the team created is a circular frame holding a disk-shaped sheet. It has a rigid framework made from hinged joints which use a mech
Behemoth studios in the era of pan-Indian films Yash Raj Films used to set trends, not follow them. Can it turn the tide?
SlideshowCaptured in timeAs independent India turns 75, some of the defining images of those seven decades.
