When you say solve problems using "physics itself", I think it's important to clarify it's quantum physics. Mapping math problems to classical physics has been

When you say solve problems using "physics itself", I think it's important to clarify it's quantum physics. Mapping math problems to classical physics has been done for quite a while, for example http://www.nutsvolts.com/magazine/article/analog_mathematics http://www.nutsvolts.com/magazine/article/analog_mathematics.