Interesting Chemical Reaction

[Matthew Ghio]

Anonymous wrote:

> Perpetual motion machines built on violations of thermodynamics involving
> hemispherical and ellipsoidal mirrors have been around for years.  They
> don't work.
> 
> The objects do not change temperature.

Actually, when I did this experiment several years ago, the objects did
change temperature (about 1 degree centigrade) but it may have been due
to outside light getting in.