Sergey Lukyanenko (born April 11, 1968) is a relatively new and young science fiction author, writing in Russian (none of his works have as of yet been translated into English). He was born in Kazakhstan and educated as a psychiatrist. It is said that he has been heavily influenced by Robert Heinlein and Vladislav Krapivin[?] in his writings. A married and happy man he now lives in Moscow.
... the lower rim of the groove. While the axis is slipping around inside the groove, the friction between the axis and the groove rims will accelerate or brake the spinnin ...