In the sci-fi story "Black Stars" you will get acquainted with the "heroes of our time" - physicists, engineers, researchers, waging an interesting and difficult struggle with nature for mastering the innermost secrets of the atomic nucleus. A lot of work and troubles have to be overcome by young heroes on the way to great discoveries - the creation of "neutride," a nuclear supermaterial with ideal properties, and antimatter - a new powerful source of nuclear energy.