beautiful filament-systems are often shown by the astonishing development of the modern astronomy. Most of these filaments have an exact circular cross ...

beautiful filament-systems are often shown by the astonishing development of the modern astronomy. Most of these filaments have an exact circular cross ...

Physics knows four forces. However, the 20 th century was convinced that one of the them the electric force plays no macroscopic role in the Universe. For ...

Physics knows four forces. However, the 20 th century was convinced that one of the them the electric force plays no macroscopic role in the Universe. For ...