Some cool physics videos I thought I'd share. Enjoy

Cool Computer Program (Altered Reality)
Cool Computer Program (Drafting / Interaction)
Rube Goldberg Device
Bouncy Balls (This is cool)
Doctor Quantum (Double / Single Slit Experiment)
Invisible Water Effect

Could you please explain some of these? I started with the first one, got no sound, and I have absolutely no clue as to what is going on.

The second one is cool for demo purposes, but I'm not sure if there is any other practical use (other than incorporating the logic into other systems).

I'm still viewing the others.
Edit:
The rube has some interesting combinations, but I wouldn't catagorize it as a physics video.

I lost interest in the bouncy one. It was very slow in the beginning.

The slit one was a very good explaination (clear to the layman)

The invisible water... Interesting, but what the heck is it?

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Numbers are not case sensitive. (me)

The first video turns out to be the second part of a technology demonstration. The computer can generate a 3-D object, such as a car, that can interact in real-time with actual objects existing in our world. Here's the first part -and it has sound: Augmented Reality It's a good demonstration.

Admittedly the first two are actually "Computer physics" videos, an area I'm interested in.

I'm not sure if "Rube Goldberg Device" is the actual name for the marble maze things in the third video, but I thought it was fun. Again, perhaps not physics entirely. It appealed to the part of me that's about to get to teach a kid about the world (6 weeks and counting).

The "bouncy balls" video starts off slowly, but is very well done. Stick with it until they dump the garbage can full of superballs.

The "Doctor Quantum" video is an animated explanation of the mysterious "observed electron" and wave/particle duality that many are familiar with. I thought it was a good short program.

The last, is of course, just weird.

Oh; that is cool. I would call it a Wii to the nth degree.

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Numbers are not case sensitive. (me)

The invisible water is some kind of denser-than-air gas (CO2 or Argon perhaps). A light boat can then float in this, and the gas can be scooped around like water.

Well; that was anti-climactic... Why couldn't I figure that out.

Especially, the part in the first second where they pulled the air hose out of the tank.

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Numbers are not case sensitive. (me)

I enjoyed the short cel-animated Dr. Quantum clip, though I thought it got a bit new-agey at the end. I immediately thought that by observing, you are bouncing back and forth photons from the source, which could interfere with the particle. Kinda like spraying water at something as it is running by, in a way. By not observing it, that wave/particle interference isn't encountered by the electron, allowing it to do its thing.

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"4th Law of Modern Thermodynamics: Where Mihoshi is, Chaos Reigns." ~W. Hakubi
"Gun control is hitting your target; Recycling is reloading your brass." ~ Lex of Dirty Work.

The Dr. Quantum vid is from that crap movie What the Bleep do We Know. It's no wonder it will look new-agy.

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Nice videos