1. How realistic is space travel?

As reported in the New Scientist, Frédéric Marin, an astronomer at the University of Strasbourg, France and Camille Beluffi, a physicist who works for Casc4de, a data firm in Strasbourg, have done a thought experiment on the feasibility of reaching the nearest Earth-like planet, which happens to be Proxima b, around 4.25 million light years away, a mere 40 trillion km. Continue reading Saturday salon 7/7 →