Relative energy cost of light colours [OC] Submitted by katspike t3_zemg15 on December 6, 2022 at 11:59 PM in dataisbeautiful 12 comments 49
GATESOFOSIRIS t1_iz79ilk wrote on December 7, 2022 at 12:05 AM Blue is the cheapest cause it isn't even light. Blue Christmas lights are most confusing thing, how do they look like they're emitting dark Permalink −5−
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