I am not the center of the universe

Here is a superb video on astronomical sizes which happily can be viewed in high definition.  Yeah, you may have seen something like this before, but I like the way this one is put together and you can’t beat that Black Hole soundtrack.

Urgent Mission

Urgent Mission

My students might appreciate this urgent mission.

Ground Zero

Little Boy hits home

Back in my college days I did a report calculating the effects of a 20 megaton nuclear bomb being detonated over Tinker Air Force Base near Oklahoma City.  A new web mash-up makes that sort of thing terribly easy these days.  Ground Zero from CarlosLabs lets you detonate a variety of atomic and thermonuclear devices over any spot on Earth and see the effects.  They even include asteroid strikes.  The BLDG Blog has an interesting article on this.

Doubling Up on the 5th Dimension

Imagining the Tenth Dimension, split into parts one and two, is a video explaining the ideas set forth in Rob Bryanton’s book of the same name.

Inertia

I don’t think these workers took physics.