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A comment on New carbon nanotube-metal hierarchical material is 10x darker than Vantablack. Parent comment

Re:New carbon nanotube-metal hierarchical material is 10x da... by DoctorOetker on Sunday September 15, 2019 @07:32AM (#20976766)
solar panels are way more efficient than 3.333... % , so no, nothing can be 30x more efficient than solar panels these days.
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