Simulations are essential in many areas of science and technology. When problems become more complex, it is difficult to use pure math techniques to predict what will happen. Scientists and engineers then create a mathematical model and use numerical techniques to run the model on a computer.
MyPhysicsLab (link) is a cool website for [...]
Google finally released a version of GMail optimized for Mobile devices screens. Both Yahoo! and Hotmail have had a PDA version of their web services. GMail Mobile can also view attachments like photos and .pdf files.
You can access GMail Mobile on your PDA via http://m.gmail.com