The author proposes a redefinition of critical flow conditions that become universal for pressurised flows, free-surface flow conditions in any shape of channel cross-sectional areas. In fact, the ...więcej »
Journey from Earth to the outer reaches of the universe with this stunning book about space! You'll encounter bizarre planets, distant stars, and intricate galaxies.Every page of this c...więcej »
This is Stephen Hawking's updated, expanded and illustrated edition of his celebrated work which includes the most recent developments in the field, many of which were forecast by him.A...więcej »
Prace naukowe Marii Curie są powszechnie znane, a jej pisma pozwalają lepiej zrozumieć stosunki, jakie utrzymywała ze swoimi bliskimi, współpracownikami i naukowcami.Jej korespondencja...więcej »