Space tourism in 2013?
The private spaceflight company Excalibur Almaz hopes to offer wealthy tourists one week orbital flights as early as 2013, on […]
Antimatter produced by thunderstorms
Fermi, NASA’s gamma-ray telescope, has detected antimatter particle beams produced by thunderstorms. This is the first time such a phenomenon […]
Black Holes – Part II
In this second part of the article dedicated to black holes, I will describe how they are formed, as well […]