Fluorescent lights; Domtar paper plant in St. Catherines, Ont.; history of Otis elevator.
Household wiring; SkyDome's Sony Jumbotron; magnetism.
Constructing books; the dry-ink Xerox machine; Robertson screw factory.
TV monitors vs. TV sets; Ontario Hydro; St. Lawrence Cement in Ontario.
Body microphones; the Darlington Number One nuclear station; outlet strips.
Hi-fi speakers; Toronto Fire Department training; cellular phones.
The egg; air traffic control; uses for plastics.
TV/video cameras; photo processing; mini photo-lab; drink boxes.
How radio works; AM and FM waves; automated sheet-glass manufacturer; Christmas light strings.
Fluorescent light; a paper plant; elevators.
Residential wiring; Skydome's Sony Jumbotron; magnetism.
TV monitors and TV sets; system control center at Ontario Hydro; cement.
Microphones; a nuclear station; outlet strips.
Power and hi-fi speakers; Toronto Fire Department; cellular phones.
Synthesizers and other modern music machines.
Radar guns; tire construction; smoke detectors.
Ground-fault circuit interrupter; CN Tower radio transmitters; Boolean logic.
Teleprompters; concrete utility poles; how beans become coffee.
Internal combustion engines; wire factory; communications satellites.
Teleprompters; concrete utility poles; coffee beans.