November 2016

research_geometry_0

Today I want to talk about something that I tell you a lot, imagining that, you know what I mean: geometry. Normally I assume that this basic part of mathematics […]

unruh

As I pointed out, William George Unruh, better known as, Bill Unruh is a little-known but quite important Canadian physicist, and now you will hear him much more because he, […]

hrdiagram

Today I want to talk about the main sequence on stars. Although it sounds a little strange its name is the majority of the stars in the visible universe and […]

venus_venera13

The image that you see was sent by the Russian probe Venera 13 and it is the surface of Venus, taken in 1982. It is one of the few images […]