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6 questions tagged home — spanning every one of the seven Ws.
Whose invention was the dishwasher?
Josephine Cochrane of Illinois invented the first commercially successful dishwasher, patented in 1886.
Whose invention was the microwave oven?
American engineer Percy Spencer invented the microwave oven at Raytheon after noticing, around 1945, that radar equipment had melted a snack in his pocket.
Whose company is IKEA?
IKEA was founded in Sweden in 1943 by 17-year-old Ingvar Kamprad; the name combines his initials with his family farm, Elmtaryd, and home village, Agunnaryd.
How does a washing machine clean clothes?
A washing machine combines water, detergent, heat and mechanical movement of a rotating drum to loosen dirt, then spins at high speed to remove water.
How does a vacuum cleaner work?
A motor-driven fan creates low air pressure inside the vacuum, so higher-pressure air outside rushes in through the nozzle, carrying dust and dirt with it.
How does a thermostat work?
A thermostat measures the temperature of a room and switches heating or cooling on and off to keep it close to the temperature you have set.