Radiative cooling and solar heating from one system, no electricity needed
Passive cooling, like the shade a tree provides, has been around forever.
Feb 8, 2021
0
204
Electronics & Semiconductors
Passive cooling, like the shade a tree provides, has been around forever.
Feb 8, 2021
0
204
Electronics & Semiconductors
Now that autumn is upon us, there is a large temperature gap between day and night. This is due to the temperature inversion caused by radiative cooling on the Earth's surface. Heat from the sun during the day causes its ...
Oct 20, 2020
0
54
Energy & Green Tech
A research team led by UCLA materials scientists has demonstrated ways to make super white paint that reflects as much as 98% of incoming heat from the sun. The advance shows practical pathways for designing paints that, ...
Jul 9, 2020
1
232
Engineering
Imagine a device that can sit outside under blazing sunlight on a clear day, and without using any power cool things down by more than 23 degrees Fahrenheit (13 degrees Celsius). It almost sounds like magic, but a new system ...
Oct 30, 2019
4
1118
Engineering
Engineers have designed a new system that can help cool buildings in crowded metropolitan areas without consuming electricity, an important innovation at a time when cities are working to adapt to climate change.
Aug 5, 2019
2
971
Energy & Green Tech
A team of University of Colorado Boulder engineers has developed a scalable manufactured metamaterial—an engineered material with extraordinary properties not found in nature —to act as a kind of air conditioning system ...
Feb 9, 2017
0
125