I've never managed to get collision detection to work. I've had it turned on for the object and for the table and the object still went through the table. So it's beyond me how it works.

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi