The Reengineer

The Reengineer

The cost of eroding coasts: The Reengineer Monitor #59

Solar heat-hearvesting dome, fungus insulation - and more!

Chris Baraniuk's avatar
Chris Baraniuk
Feb 06, 2026
∙ Paid
Photo by James Goddard.

Heating and cooling

It’s possible to harvest heat from bright skies above say researchers in the US. They’ve come up with a system that collects light and heat via a dome on your roof: “Sunlight is collected by a rooftop solar dome and guided into a Photothermal Solar Tunnel, which achieves efficient conversion of solar radiation into thermal energy for passive heating.”

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