Re: Should the Doctor get a Tricorder? Oh wait, he has one apparently
The screwdriver is a plot tool for when they need a quick way out of a scene and as long as it isn't used to actually resolve the plot I have no problem with it. It might be sending him information telepathically, it might be flashing in binary thousands of times a second in a wavelength of light we can't see, I don't care.
"There is no reason why good cannot triumph as often as evil. The triumph of anything is a matter of organization. If there are such things as angels, I hope that they are organized along the lines of the Maffia." - Winston Niles Rumfoord.