News tagged with radio

Distant black hole wave twists like giant whip

Fast-moving magnetic waves emanating from a distant supermassive black hole undulate like a whip whose handle is being shaken by a giant hand, according to a new study using data from the National Radio Astronomy Observatory's ...

dateJul 10, 2015 in Astronomy
shares4295 comments 110

Laser cloaking device could help us hide from aliens

Two astronomers at Columbia University in New York suggest humanity could use lasers to conceal the Earth from searches by advanced extraterrestrial civilisations. Professor David Kipping and graduate student Alex Teachey ...

dateMar 31, 2016 in Astronomy
shares2030 comments 33