4 ms·Physicists create 'negative mass'1 points by widforss 10y agowidforss 10y agoThis seems like an awfully popular explanation, but the article seems legit enough.CarolineW 10y agoDiscussion: https://news.ycombinator.com/item?id=14093860 https://news.ycombinator.com/item?id=14093860