men, this is science at its best. thank you very much for the information, i believe you have given hope to many of us doctor who geeks. mabye one day when I am not poor I am build one, but nonetheless, thanks a lot!
this is very interesting. it would greatly increase the accuracy of the sound wave, and as he said, the sound is not coming from the transmitter, its being created at billions of points between the surface of the panel and the destination. The means its the air itself that is vibrating.
If...
actually, the wave would not be used in this sense. the wave would be directed into the locking mechanism to push the pins to the shear line, though this seems highly impractical. your way makes more sense. cheers.
brennanshaw took his information from the doctor who visual dictionary, most of those things don't exist. but i do believe that some day this technology will be invented, and i wish to dedicate myself to inventing this. though brennanshaw was incorrect, he has a point about the accoustic...