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How Things Work
5explainers
Explainers in How Things Work
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How Things Work
Electricity
What electricity is, how voltage, current, resistance and power fit together, why a kettle uses more than a…
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How Things Work
Batteries
How a battery makes electricity from a chemical reaction, why some can be recharged, what volts and…
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How Things Work
A fridge
How a fridge works by moving heat out with a refrigerant, a compressor and coils, why the back is warm and…
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How Things Work
Central heating
How central heating works, from the boiler and pump to radiators, thermostats and valves, and how the main…
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How Things Work
A car engine
How a petrol car engine works through four strokes (intake, compression, power, exhaust) and how pistons turn…