How many people does it take to change a lightbulb? Almost invariably one, irregardless of colour, creed, gender or race. You may need two if the bulb is particularly high and you need someone to hold a ladder, but then that second person isn't really a key component in the actual changing of the bulb, so I guess it still takes one. But I digress.
Lightbulbs are fantastic. Tiny glass receptacles that emit brilliant light to fill rooms of any size. Before we had lightbulbs, humans used to light their rooms, routes and roads with fire, and that sounds very unsafe, and uncomfortably warm. Yes, we live in a world where electricity dominates our lives in most areas, but as soon as the power goes out at night the first thing we have to take care of is the lack of light, and we're right back to creating small pockets of fire hazard around our homes. So no matter if they're filament or energy saving, lamp or light socket, without lightbulbs we would be stumbling around in the dark.
My rating: 5/5
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