https://www.futurity.org/color-changing-buildings-2865152/
"A chameleon-like building material changes its infrared color—and how much
heat it absorbs or emits—based on the outside temperature.
On hot days, the material can emit up to 92% of the infrared heat it contains,
helping cool the inside of a building. On colder days, however, the material
emits just 7% of its infrared, helping keep a building warm.
“We’ve essentially figured out a low-energy way to treat a building like a
person; you add a layer when you’re cold and take off a layer when you’re hot,”
says assistant professor Po-Chun Hsu of the University of Chicago’s Pritzker
School of Molecular Engineering (PME).
“This kind of smart material lets us maintain the temperature in a building
without huge amounts of energy.”
According to some estimates, buildings account for 30% of global energy
consumption and emit 10% of all global greenhouse gas. About half of this
energy footprint is attributed to the heating and cooling of interior spaces."
Via Rixty Dixet.
Cheers,
*** Xanni ***
--
mailto:xanni@xanadu.net Andrew Pam
http://xanadu.com.au/ Chief Scientist, Xanadu
https://glasswings.com.au/ Partner, Glass Wings
https://sericyb.com.au/ Manager, Serious Cybernetics
