How to Create Wire Frame Shapes – Video Tutorial – Part 1


This is an introductory video about creating, scaling and animating wireframe shapes in MS Excel. The tutorial is made from the ground up starting with a blank workbook. A square is created. Scaling factors are added which can turn the square into a custom size rectangle. The tutorial demonstrate the use of VBA driven spin buttons and also VBA driven animation based on a “FOR” loop. The first half of…


A Basic Planetary System – video preview


Since not everybody has Excel and more and more people are on the dumbed down new versions (2007 and 2010) I am presenting these previews to give the readers a feel of the real speed and feel of some of the models in older Excel versions (in this case 2003). This preview refers to an older model. [sociallocker][/sociallocker]


Newton Generalized Treatment


Most of people have heard of Newton’s second law, mass, moment of inertia or the definition of the acceleration both linear and angular. The stuff presented here is elementary (9th grade), yet it is generally not properly understood. What happens when one applies a bunch arbitrary forces on an arbirtarily shaped body?  The resultant force vector produces a linear acceleration while the resultant torque produces a resultant angular acceleration around…