Is it possible to travel in time and location like you can read in many books and see in some movies? What is (science) fiction and what is a possibility in the near future? This book explains the dimensions of time and location where it derives principles that should be obeyed. Clemens Willemsen PhD has written books on Biometrics & Identity as well as on Information Technology & Security. This book is less scientific but still worthwhile to read if you want to know more on this subject.
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