Video chating is available to Orkut user, If you have a web cam then install a small plugin from www.google.com/chat/video. Note that you need to validate your email address to enable this feature.
Researchers from Harvard School of Engineering and Applied Sciences shown the first controlled flight of Robotic insects. They are half the size of a paper clip, weighing less than a tenth of a gram, the robot was inspired by the biology of a fly, with submillimeter-scale anatomy and two wafer-thin wings that flap almost invisibly 120 times per second.