Within ten minutes of one another, I: 1) Got a call from someone with a perpetual motion machine that involves the movement of buoyant objects in water (I see at least two of these per year), and 2) Encountered this …
Within ten minutes of one another, I: 1) Got a call from someone with a perpetual motion machine that involves the movement of buoyant objects in water (I see at least two of these per year), and 2) Encountered this …