VM

1664 posts

When cooling down really means slowing down

5 min read
Scicomm Albert Einstein atomic cooling atomic trap Bose-Einstein condensate Bose-Einstein statistics Carl Wieman Claude Cohen-Tannoudji collisional cooling diatomic molecules Eric Cornell Harvard University laser cooling Massachusetts Institute of Technoogy NaLi niobium nitride quantum chemistry quantum computing S Pancharatnam Satyendra Nath Bose Shivaramakrishnan Pancharatnam Sisyphus cooling spin polarization superconductors superfluids University of Waterloo Wolfgang Ketterle

Consider this post the latest in a loosely defined series about atomic cooling techniques that I've been writing since June 2018. Atoms can't run a temperature, but things made up of atoms, l…

In conversation with Sree Srinivasan

6 min read
Op-eds Scicomm Anna Isaac Arunabh Saikia COVID-19 data journalism Indian Council of Medical Research Indian journalism Irrfan Khan mainstream media novel coronavirus pandemic Rishi Kapoor science journalism Scroll.in serological tests Sree Srinivasan The News Minute

On May 1, I was hosted on a webinar by the American journalist Sree Srinivasan, along with Anna Isaac of The News Minute and Arunabh Saikia of Scroll.in. As part of his daily show on the COVID-19 cris…

How does a fan work?

8 min read
Scicomm AC motor aerodynamics airfoils Bernoullis principle brush comutator capacitance capacitor regulator continuity equation convection DC motor drag electric current Electromagnetism electromagnets graphite induction motor Lenz law lift Lorentz force magnetization split-ring commutator steel synchronous motor three phase current

Everywhere I turn, all the talk is about the coronavirus, and it's exhausting because I already deal with news of the coronavirus as part of my day-job. It's impossible to catch people having…