Monitoring ultrafine dust particlesR. RamachandranNow Christian Huck and others of the University of Heidelberg, Germany, have refined this method and achieved a nearly tenfold improvement in sensitiv
Galaxies galoreR. RamachandranRadio astronomy reveals processes in the universe that cannot be seen with optical telescopes. In this first part of the sky survey, LOFAR mapped 300,
Electronics Self-healing electronicsR. RamachandranUnlike previous such techniques, this method does not require rare materials or the addition of complex circuitry. The idea is based on submerging a c
Design review for Ariane’s Prometheus engineR. Ramachandran The contract awarded to the ArianeGroup by the ESA in December 2017 covers the design, construction and testing of the first two examples of t
Climate change Greenland melting fasterR. RamachandranThe scientists have found that the source of this increased melt is the previously unsuspected region of the icy mass, the south-west Greenland. The f
Physiology An ear for sensitivityR. RamachandranBoth the ear’s sensitivity and its selectivity depend crucially on the behaviour of a minuscule gelatinous structure in the inner ear called the tecto
Nuclear waste Deep down a drill holeR. RamachandranIn a first test of its kind, Deep Isolation, a California-based company, has successfully demonstrated a new technique of placing a canister of nuclea
Science congress Science circusR. RamachandranThe level of acceptable science presented at the Indian Science Congress sessions is so low that no significant deliberations emerge from them; this i
Medicine Childbirth after uterus transplantR. RamachandranThis remarkable feat comes three years after scientists from the University of Goteberg, Sweden, had, in a series of transplantations from live donors
Climate Change Antarctic Ocean also emits CO2R. RamachandranAccording to the scientists, the winter emissions reduce the Southern Ocean’s net uptake of CO2 by 34 per cent, or more than 1.4 billion tonnes a year
Physics Square liquid dropsR. RamachandranThey have also suggested that such stretched and squeezed drops could act as a tiny lens with adjustable optical properties and also for liquid patter
Astrophysics Cosmic particle accelerators R. RamachandranAstrophysicists have theorised that the mysterious UHECRs could come from supermassive black holesand hence are called active galactic nuclei (AGNs).
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.
