Gaurav KhannaUniversity of Massachusetts Dartmouth Latest articles by Gaurav Khanna Spinning Black Holes Could Open Up Gentle Portals for Hypersonic Spacecraft By Gaurav Khanna published 9 January 19 Opinion Feel like visiting another star system or dimension? You can do this by traveling through a spacetime portal of a black hole. But you better choose carefully. All black holes are not created equal. Opinion Time Travel Is Possible — But Only If You Have an Object With Infinite Mass By Gaurav Khanna published 16 December 18 Opinion Who wouldn't want to travel in time, glimpsing the dinosaurs or peeking at humans 2,000 years from now? Now physicists have designed a time machine that seems deceptively simple. Opinion Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1James Webb Space Telescope finds a wild black hole growth spurt in galaxies at 'cosmic noon'2'Rabbits sometimes make mistakes or grow lazy. That's when the tortoise seizes its chance': Chinese scientists make nuclear power breakthrough using abandoned US research3What is 'induced atmospheric vibration' and did it really cause power outages across Spain and Portugal?4'How could it have been allowed to happen?': The threat of 'superbugs' was known from the first antibiotic, but we've failed to stop it.5Yellowstone holds potentially untapped cache of 'carbon-free' helium for rockets, reactors and superconductors
Spinning Black Holes Could Open Up Gentle Portals for Hypersonic Spacecraft By Gaurav Khanna published 9 January 19 Opinion Feel like visiting another star system or dimension? You can do this by traveling through a spacetime portal of a black hole. But you better choose carefully. All black holes are not created equal.
Time Travel Is Possible — But Only If You Have an Object With Infinite Mass By Gaurav Khanna published 16 December 18 Opinion Who wouldn't want to travel in time, glimpsing the dinosaurs or peeking at humans 2,000 years from now? Now physicists have designed a time machine that seems deceptively simple.
