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Transcripts for CNN CNN Newsroom With Fredricka Whitfield 20210905 19:49:00

phenomenon called radiative cooling. almost all objects give audiotape heat in the form of infrared radiation, cooling down in the process. some objects radiate so well, they become cooler than the objects around it. like these frosted blades of grass. sky cool has something that works 24 hours a day. it has a specific wavelength of radiation to maximize cooling. it s highly reflective, staying cool even under direct sunlight. that combination of properties has never been found in nature. are they cool to the touch? yeah. it s a hot day and that s cool to the touch. yes. the panel chills water in. it chills liquid easing the workload for the condenser.

Transcripts for CNN CNN Newsroom With Fredricka Whitfield 20210904 15:59:00

in the form of infrared radiation, cooling down in the process. but some objects radiate so well, they become cooler than the air around it, like these frosted blades of grass, a phenomenon only observed at night and out of the sun. so sky cool designed a new material with radiative cooling properties that work 24 hours a day. it s hundreds of tiny objptical layers, but it s also highly reflective, staying cool even under direct sunlight. that combination of properties has never been found in nature. are they actually physically cool to the touch? yeah, they re much cooler than what i would expect. it s a hot day and that s cool to the touch. yeah. reporter: the panels work by chilling water running through pipes embedded behind them. and then that cold water flows into a building s cooling system, helping to cool refrigerant liquid, which eases the workload for the condenser. the less your condenser runs, the less you pay in an energy bill. this grocery store in stockton,

Transcripts for CNN CNN Newsroom With Jim Acosta 20210904 20:59:00

the more electricity we use for cooling, the more challenging it is to operate and divide electricity reliably. reporter: that s why they want to make existing cooling systems to run more efficiently, by using radiating cooling. almost all objects give off heat in the form of infrared radiation, cooling down in the process. but some objects radiate so well, they become cooler than the air around it. like this blade of grass, a phenomenon observed only at night and out of the sun. so scientists made a cooling material that worked 24 hours a day. its hundreds of tiny optical layers make radiation to maximize cooling, but it s also highly reflective, staying cool even under direct sunlight. that combination of properties has never been found in nature. have they actually ever physically cooled to the touch? yeah.

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