Professor Andrew Coates (UCL Mullard Space Science
Laboratory) comments on the Breakthrough Starshot project, sorting the feasible
from the fantasy and Professor Lucie Green and Dhiren Kataria (both UCL Mullard
Space Science Laboratory) explain how CubeSats will be used to explore the thermosphere.
Listen: BBC Radio 4 'Inside Science' (from 2 mins 9 secs & 16 mins 20 secs)