Month: August 2012

I was talking the other day to old Roger, at a Canberra Speleological Society trip to Wee Jasper, who was telling me about his first job in Australia working at the Orroral tracking station. I have long thought it is a...

Reading an article in the Economist, about more work done on the fermi paradox (that the galaxy should be teeming with civilisations so why isn’t it), and i got musing again about interstellar travel. If we view the galaxy as being...