Yes. But just a minute. They have no pick-up or anything. And only the base of the machine touches the floor. How do they complete the circuit?
Batteries?
No, no. I believe the Daleks have discovered a way to exploit static electricity. Very ingenious, if I'm right.
What, drawing power from the floor?
Precisely. If I'm right, of course. Now, what do we know apart from guessing how they are powered?
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