
Must A Light Bulb Be "Oriented Toward Illumination"?
Mr. Martian: What’s that there? Mr. Edison: (Edison holds up a standard, 60 watt lightbulb). It’s a lightbulb. Mr. Martian: A “lightbulb” you say? What exactly is a “lightbulb”? Mr. Edison: A lightbulb is an object used to illuminate a dark area, say a room. It’s made primarily of filament…










