How Stuff Works

The Sticky Stickers

Stickers can be sticky only if they contain a substance called an adhesive—a kind of glue or paste that makes them stick to a surface. Adhesives can be made from

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How do Elevators Work?

Can you even imagine skyscrapers being around if not for elevators? And apart from the ease and convenience to most people, elevators also make life easier for those with physical

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