A look at an evolving technology that has been changing how we communicate It was February 2009. A 560 kg satellite named Iridium 33, whirling around the planet in the low earth orbit 789 km above the Taymyr Peninsula in Serbia, met a fatal end. It clashed with the defunct 900-kg Russian satellite, Kosmos 2251. […]
American neuroscientist Michael Zigmond’s research shows that physical exercise could go a long way in fighting Parkinson’s disease Michael Zigmond is a believer. “I don’t know why anybody wouldn’t want to be a neuroscientist,” quips the IISc-DST Centenary Chair Professor. Notwithstanding his evangelism about the virtues of a career in neuroscience, Zigmond found his own […]
It was in 1946 that Dhawan arrived at the Guggenheim Aeronautical Laboratory of the California Institute of Technology (GALCIT, now Graduate Aerospace Laboratories), wanting to work with Hans Liepmann. But the Indian students Liepmann had worked with until then had given him the impression that “perhaps the select group that came to Caltech from India […]
A cell for the Application of Science and Technology to Rural Areas (ASTRA), now Centre for Sustainable Technologies (CST), was created at IISc in 1974 to initiate and promote work of rural relevance as a weapon against poverty. IISc’s then Director, Satish Dhawan, who was deeply concerned about science and society, invited Amulya Reddy [a […]
Is the P value as reliable as we believe? This article examines the meaning and limitations of this ubiquitous measure of significance “The null hypothesis is never proved or established, but is possibly disproved.” – Ronald A Fisher Statistics is a versatile field that emerged from 17th century political science and state governance. In […]
Doctors and scientists are on a mission to understand this complex neurodegenerative disorder One morning, Ragini, a resident of Chennai, caught a glimpse of her 67-year-old mother, Lakshmi, using a toothbrush on her own reflection in the mirror. Ragini was taken aback by what she saw – her mother was in good mental health and […]
