Michio Kaku on Dark Matter

Michio Kaku gives a few interesting ideas on Dark Matter and its origins. One theory states that dark matter is nothing but ordinary matter in another dimension hovering right above us.

Morgan Freeman Narrates a Simulation of a Dark Matter Collision

In clip from the Science Channel, dark matter is rendered in 3-D imaging for a section of space and then for the whole universe. Then two galaxies are observed as they collide and dark matter side steps the collision and is completely unaffected as it passes straight through the event.