Professor Rachmaninoff's library in the NTL fund

The library of the Kyiv Polytechnic Institute was replenished not only by purchasing books and periodicals, but also by gifts. One of such gifts is books from Professor I.I. Rachmaninoff's own library.

Collectible "stones" at the State Polytechnic Museum

Collections can be different. Someone collects postage stamps, someone collects cacti, someone - badges and cars. Bohdan Peniuk, co-founder and director of the information security department of EPOS company, collects microprocessors.

To the history of steam engines

A steam engine is an engine in which the chemical energy of fuel is converted into the mechanical energy through the use of steam, which is formed when water is heated.

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