These construction workers already have a demanding job, but thanks to this invention, their long days of labor have been made a lot easier.
Apart from the physical demands faced by workers currently building the World Cup 2022 arena in Qatar, spending long hours under the sun in soaring temperatures can be debilitating—even deadly.
To tackle the problem, the country’s researchers have come up with a new way to keep workers comfortable: a self-cooling hard hat.
Ironically, the hard hat‘s cooling feature depends on the sun. Powered by a solar panel on the top…
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