Category archives for Gravitation

Welcome to the Digital World: MST

Education is an admirable thing, but is is well to remember from time to time that nothing that is worth knowing can be taught. (Oscar Wilde) By denying scientific principles, one may maintain any paradox. (Galileo) An Important Decision Congratulations: You have decided to follow a Bachelors/Masters/PhD program in mathematics, computer science, science, engineering, economics or […]

Space and Time

We start with the intuitive ideas of space and time we all have: We perceive that everthing there is in the physical world, has a place in some form of big container with three independent directions, which we call space. We further experience that things can change shape and position in space, the rate of which we measure using clocks recording time by periodic motion.   […]

Time Stepping Newton’s Laws of Motion

Newton’s Laws of Motion: 1st Law: In the absence of a net force, a body either is at rest or moves in a straight line with constant speed. 2nd Law: A body experiencing a force F experiences an acceleration a related to F by F = ma, where m is the mass of the body. […]