Valerion's VisionMaster Pro 2 throws a stunningly bright and vibrant image, and sounds amazing. Does it live up to its 'professional' price tag?

The Aurzen Zip Tri-Fold projector could set a new standard for ultraportability, so long as it nails these key aspects.

We first give a brief overview of smart antenna techniques and describe the issues that arise when applying these techniques in ad hoc networks. We consider ad hoc/mesh networks with directional ...