It is a collection of papers on different subjects that originated during the last couple of years. As a rule they present new ideas, some of them controversial. I would like to thank my friend Peter Lillie for discussions and unflagging support that he has been rendering to my just emerging ideas. Konrad R. Fiałkowski (born 1939) professor of computer and information sciences at Rensselaer Polytechnic Institute, Troy, New York and at the Univercity of Warsaw. The right of Ko..nrad R. Fiałkowski to be identified as the author of this work has been asserted by him in accordance with the Copyright, Designs and Patents Act, 1988. This book is in copyright. Subject to statutory exception and to the provisions of relevant collective licensing agreements, no reproduction in any form of any part may take place without the written permission of the author.