31.   Some scientists predict that fuel cells converting hydrocarbon fuels directly into electrical energy will incorporate membranes made of nanotubes.

32.   Smelting capacity expansions are likely to occur in Canada, especially in Quebec, where the company has surplus electrical energy.

33.   Spinning a thousand revolutions per second on nearly frictionless magnetic bearings, they convert electrical energy to motion and back again through a system of magnets and coils.

34.   The companies he founded worked on purifying the air and converting low-grade coal into inexpensive, transportable and high-voltage electrical energy.

35.   The electrical energy harvested by the solar cells is used to create a high-powered spark between two electrodes located next to a solid bar of Teflon.

36.   The Electricity Oversight Board was created during the deregulation of electrical energy in California.

37.   The formula worked out from these results relates the loudness of sound heard on the television to the electrical energy in the signal leaving the broadcaster.

38.   The rapidly growing electrical energy industry is also expected to be a source of new orders for Confab.

39.   The result is a new kind of actuator, a device that converts electrical energy into mechanical energy.

40.   The trouble is, the only way to make hydrogen at the moment is to split water with electrical energy from polluting power stations.