Something like that was in HN two days ago: Fast Radio Bursts from Extragalactic Light Sails (2017): https://news.ycombinator.com/item?id=27431999 https://new

Something like that was in HN two days ago: Fast Radio Bursts from Extragalactic Light Sails (2017): https://news.ycombinator.com/item?id=27431999 https://news.ycombinator.com/item?id=27431999