Thursday, January 27, 2011

Disapearing coin

Experiment from Andriy&Mattheus

To this experiment we need: a glass, a water, a coin.

We put coin on the table and cover it with glass. Look! We can see a coin.
After that we pour water .... and now we can't see a coin.
Why? Because of refraction.

1 comment:

  1. hello! i´m a student of school Sagrado Corazon of Spain. I watched this experiment and it is fantastic because i can´t see the coin!! CONGRATULATIONS!! Jose Manuel Vazquez