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Dust bunnies (often one word, dustbunnies) are little clumps of fluff that form under furniture and in corners that are not cleaned regularly. They are made of hair, lint, dust, and sometimes light rubbish and debris, and are held together by static electricity and felt-like-entanglement. In some regions of Britain, dust bunnies are sometimes called beggar's velvet.
Dust bunnies are frequently a source of amusement by making out that they are actual living creatures formed of dust, attested to by the many websites on the care and feeding of dust bunnies. Many cartoons reference dust bunnies, and parents often give tongue-in-cheek warnings to their children that dust bunnies will haunt them if they do not clean their rooms, not unlike Santa Claus giving lumps of coal to naughty children.
However, they can actually be harmful when they house dust mites or other parasites. A Dustbunny Cleaner has been invented. It consists of a robotic ball with an electrostatic sleeve that rolls about under furniture collecting dustbunnies and other material.
Dust bunnies are harmful to electronics, as they can seriously obstruct air flow through CPU heat sinks, severely raising temperatures and shortening the life of electronic components.
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