Should there be a law of information preservation?

[haiha]

When working with data, one should see that information can not be created except for random ones. Should there be a law of information preservation?

 

[DieCommie]

hmmm, like entropy? I am still a noob at physics, but that sounds kind of like entropy.

 

[pixel01]

Well, it sounds nice. But I think we shoud define clearly the term information?

 

[Claude Bile]

There is no such thing as 'random' information, a random arrangement of particles for example, contains NO information.

Information can be created, but always at the expense of energy.

Information does have a precise definition, and it is linked with the definition of entropy.

http://en.wikipedia.org/wiki/Entropy

Check out section 3.3 for a reference to information theory.

Claude.