Delta wings - wings in the form of triangle. Used i.e. in Eurofighter (German), F-106 Delta Dart (USA), Vulcan (GB). Such wings have better aerodynamic parameters in supersonic speeds, are stronger, than normal wings and can be built from lighter mat [ … ]

When Poland, as one of the members of Warsaw Pact, participated in the attack on Czechoslovakia, Polish communist government organized central Harvest Festival (Dożynki). This festival was to divert attention from this, what Poland had to be involved [ … ]

Today short note about Enigma machine.

Polish actress, who become a star not in Poland but in Germany and than in USA. She was considered as sex symbol and she had romances with Rudolph Valentino and with Charlie Chaplin - Pola Negri.

Surprisingly, that the most loved is that, what is not achievable, what one yearns for and what can not return. The nostalgia and longing for the homeland gave birth to Chopin's music. Chopin is one of the greatest composers of all time. In his music [ … ]