Using a temperature-driven “wax motor,” researchers have created an adaptive roof tile system that helps keep a room at a comfortable 18 °C (65 °F) | It delivers an extraordinary 3.1X reduction in cooling energy consumption, and 2.6X for heating.

Using a temperature-driven “wax motor,” researchers have created an adaptive roof tile system that helps keep a room at a comfortable 18 °C (65 °F) | It delivers an extraordinary 3.1X reduction in cooling energy consumption, and 2.6X for heating.