[quant5]

"My guess is that the environmental hazards would be in the close vicinity of such craft due to the unshielded high energy fields."

The stuff of Star Trek no doubt.

[Rockingham]

Some types of electromagnetic fields have been known to produce odd effects that conventional physics does not fully explain.

http://www.americanantigravity.com/

(Especially see the parts on the "Hutchison effect.").

http://www.hfml.ru.nl/levitate.html

I don't know about you, but even if levitating like that frog was the only risk of getting close to a working model of the reported hyperdrive, I would keep my distance.