Archive for 'Gravitational potential'

Black holes as telescopes

Black holes as telescopes

What can you do with a black hole? A first answer will be like, not much, and you better keep your distance! It turns out that you can use the black hole in the center of our Galaxy as a giant telescope. At least this is the idea of Amitai Bin-Nun of the University of […]

Space – The final frontier

Space – The final frontier

I may continue with the full phrase like “These are the voyages of the Starship, Enterprise …” but we are a long way to say that. Presently we just managed to send people to our moon, some time ago, and we are scratching the surface of our solar system. This doesn’t mean that we didn’t […]