Space republics: how to democratise space exploration and accelerate colonisation

I have vivid memories from the hot July night of 1969 when the Eagle landed on the Moon. I was nearly five then. I was woken up[1] and hurried by my parents, still dressed in my pyjamas, to our next-door neighbour who owned one of the very few, black-and-white, television...

Predicting the future

"Prediction is difficult, specially about the future", said the father of quantum physics Niels Bohr, his words often quoted - wrongly - as a tautology. Bohr did not mean to state the obvious but made reference to the non-deterministic nature of quantum phenomena. Although the microscopic world of quanta is bound...