They provide a face and voice for the various physics problems.

When I do my physics problems, I work with friends from the class.

One cold winter morning Paweł asks his father to give him a physics problem to solve.

In this instance, simulators are special purpose devices designed to provide insight about specific physics problems.

It's a physics problem having to do with the size of the cobalt source which is about four inches in length.

Hilbert at the time was looking for physics problems to solve.

While there, he learned the Russian language and worked on theoretical physics problems related to his doctoral studies.

"I look at the Oscar process as a scientist would a physics problem," he says.

The question is like a difficult physics problem.

In many of these physics problems time is a variable.