Planet Supra Thermal Barrier Paint: solar reflectance demo
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Uploader Comments (ArnoldDNS)
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It is nonsensical to talk about something being X% cooler than something else because the scales don't start at 0. Want proof? The last measurement is 23% cooler in Celsius but 19.8% cooler in Fahrenheit. It's 6% cooler in Kelvin, which is zero-based.
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NoSoupForYinz: Percentages describe differences between two values in a given unit. This has nothing to do with the unit's base value as % reflects a ratio or proportion. The best part of your comment is that you actually demonstrate it yourself, by providing the % in units other than Celsius! Since you use the same values as calculation basis, the % value in other units changes but not the ratio they represent...
ArnoldDNS 9 months ago