We've seen our fair share of scary robots in these parts, and we're not going to mince words here: there is no way we are going anywhere near one armed with a hypodermic needle. And we sure as hell aren't going to sit still and let it draw blood! Currently being developed by a team at Imperial College in London, the Bloodbot is designed to probe your arm for the presence of a vein, stick you with the needle, puncture the vein, and then stop short of rupture. The system, which has thus far only