Last year's "Google-killer" plans a comeback with social search.
The rewards of reporting an epic journey of man are more than the excitement of the moment. The audience shares new perspectives on another world.
A new approach lets dexterous robotic hands grasp easily.
Companies are increasingly offering security products as services, but is it the best approach?
By watching how passwords are entered, a company hopes to make log-ins more secure.
The next vehicle to carry humans to space will let astronauts safely abort in case of an emergency.
A new form of silicon could create cheaper photo detectors that are easier to make in bulk.
A conference presentation would have exposed flaws in some cash machines.
A new solar-cell design could cut costs and is suitable for large-scale flexible panels.