There are many ways to create secure password-less accesses to remote machines. The most commonly used method is ssh public key authentication. A less well known but more powerful method is Kerberos. Indeed, Kerberos is often used implicitly in Mac OS X.
Unfortunately, there are computer centers that think they know about security and 1) […]
I spent couple weeks implementing a simple 2D hydrodynamic code in CUDA C, which is a technology developed by nVidia. The code runs on the GPU instead of CPU. It uses Fourier spectral method with the 2/3 dealiasing rule and 4-th order Runge-Kutta integrator to solve the vorticity equation