Mar 23, 2013

Simulation on rolling without slipping

Practicing Python code. First example is written in Matlab. Second one I wrote it in Python.
A sphere roll without slipping in a bowl. I made this with Matlab. Code is pasted below.

Mar 1, 2013

Space shuttle Endeavour in California science center

One of the thrusters

Ecosystem in California science center

Jelly fish

IR camera

real scale(?) F20 fighter model display

heat shield of a spaceship showing the high temperature burn (~3000 degree C ?)  generated from ship re-entering the Earth atmosphere