How to stop an asteroid using nothing but “pebbles”
permit ’s say we detect an asteroid about to hit Earth and for some cause we can’tthrow Bruce Willis at it . ( My trouble - solve strategies generally call for throwing Bruce Willis . ) Well , a swarm of flyspeck spacecraft could also do the Book of Job . That ’s the finding of Alison Gibbings and Massimiliano Vasile , a pair of aerospace engineers at the UK ’s University of Strathclyde , which has contract to be the most awesomely British placename I ’ve heard all calendar week ....