Physicists create mind-bending ‘negative mass’ that accelerates backwards and could help explain black holes

Scientists have created a fluid with "negative mass" which they claim can be used to explore some of the more challenging concepts of the cosmos. By Chiara Palazzo.
Read more: http://www.telegraph.co.uk/science/2017/04/19/physicists-create-mind-bending-negative-mass-accelerates-backwards/?source=Snapzu