Science Illustrated

FLOATING NUCLEAR POWER IN CITIES

FACTS

Each nuclear reactors takes up less space than a shipping container.

Each reactor provides enough power for around 200,000 homes.

The reactors cannot ‘melt down’.

Worn-out reactors leave a minimum of radiactive waste.

One morning in the early 2030s, a 285-metre-long barge is towed towards a pier in the city’s old coal port, the location where generations of cargo vessels have unloaded mountains of coal to be burned in the nearby power station. The city has relied on coal for many decades, with dark grey smoke rising from tall chimneys causing harmful air pollution, while acid rain has damaged buildings and the health of the people. Even since the smoke was purified of sulphur and nitrogen oxide by new technology in the 2020s, the city’s CO2 emissions have continued to grow with the city’s increasing power consumption.

But now it is over. The floating barge is home to eight small nuclear reactors that will generate sufficient power to provide the final piece in the city’s goal of

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