What is spacetime?
Minkowski's spacetime concept
possible? Have we ever been visited by aliens? A scientific approach (rocket dynamics) to this question.
Well know problems from cosmology,
and its counterpart the Gravity paradox, both solved! (and maybe there is some link with Mach's principle?)
Another well know problem,
The Arrow of Time
(Menselijke Motor). The human body as an engine. (In Dutch)
The Origin and Solutions of the
explained. (In Dutch)
Astronomical Distance Scales