This thesis argues that there is a popular culture of space exploration characteristic of a wider Russia; its roots lie in pagan times and it grew through ...
In this groundbreaking two-volume textbook first published in 1867, Lord Kelvin and Peter Guthrie Tait offer a unified scientific explanation of the physical ...
Non-renewable fossil fuels will deplete one day. To meet the future energy demand, we have to turn to renewable energy including solar energy, wind energy ...