Tuesday, October 28, 2008

Physics Experiement

I tried a few of the computer experiments without much of any results. I was disappointed because I really wanted to make a squishy pencil....But here's one that seemed to go okay. 'Screen Dimmer'- stare at your computer screen in a dark room for a while, then turn the lights on. When the lights are out the computer screen seems to brighten..but when the lights are switched back on it seems to dim.
I've noticed this effect when watching movies in a dark room...it always hurts my eyes. I think this is because there is so much concentrated light in one small area. When the room lights are on the light is dispersed and seems to create a more muted effect.

Here's a cool experiment my son and I tried. I guess it demonstrates the physics of light. We didn't have a compass at the and used a nail or something so ours didn't come out as cool as his!
Watch this cool video....
http://www.eskimo.com/~billb/amateur/holo1.html

2 comments:

J Aaron Sellers said...

That reminds me of grade school looking at the eclipse on a piece of paper through a pin hole. Science made easy....or so easy a 2nd grader can do it....etc.

RatkaMira said...

Yes, my experiments were not all successful either. Its amazing to see how it is so random and what works for one person does not for another!