The Knights of the Round Table would have appreciated this periscope to look over walls or around corners as an invaluable secret weapon when defending their castles. It…

For half a century of life I fell a lot of luck. But the main, I think his meeting with Nikolai Yefimovich Martyanov. Here’s how it happened. For…

Since microorganisms are very small dimensions, in the study of individuals can obtain only limited information about their properties. Therefore, usually microbiologists study population consisting of millions and…

The reflector telescope is an amazing instrument. We take a look at their history and how they work… The great 17th Century scientist Sir Isaac Newton is credited…

A car with comfort Garage with a pit, rack parked motorists … Who does not dream of such a comfort? And while it is not true, we spend…