Scientist in white coat and tie in a laboratory redirecting water from a faucet into a yellow box. Camera pulls back and another man in a brown coat and tie places a stick of wood and a baseball bat on the table. Reverse shot of man placing end of stick over the edge of the table and swinging the bat down to make the stick go flying; the man goes and picks it up. Back to initial angle with white coat visible. Closer shot of man putting stick end over the edge and laying a newspaper over it. He brings the bat down again and the stick breaks off with the rest still on the table. He hands the two pieces to white coat. CU of a little yellow object placed in the box of water, camera pulls back and a wide, transparent tube is lowered into water, with object inside. Brown coat adjusts knobs to make air pressure the same inside and out; CU of turning of knob and air pump motoring as water, with the yellow object, rises up inside the tube. Knob is turned back and the water level slowly falls back into the box. Graphic of u-shaped tube against a yellow background. “A” and “B” arrows at both ends, one end is capped and it’s side of the u elongates while the other shortens.