What is the best conductor of heat? (at a temperature 20°C and relative humidity 50%)

Diamond
Water
Graphene
Cellulose
Graphene has many unusual prop­er­ties. It is the strong­est material ever test­ed,­ef­fi­cient­ly conducts heat and elec­tric­i­ty and is nearly trans­par­en­t. The material , iso­lat­ed, and char­ac­ter­ized in 2004 by Andre Geim and Kon­stantin Novoselov at the Uni­ver­si­ty of Man­ches­ter. Research was informed by existing the­o­ret­i­cal de­scrip­tions of its com­po­si­tion, struc­ture, and prop­er­ties This work resulted in the two winning the Nobel Prize in Physics in 2010 "for ground­break­ing ex­per­i­ments re­gard­ing the two-di­men­sion­al material graphene."

Answers distribution

Diamond
Water
Graphene
Cellulose
answers
flagUnknown
2%
22%
68%
5%
35
flagIndia
14%
4%
61%
14%
21
flagPoland
10%
16%
56%
16%
600
flagthe United States
10%
22%
46%
22%
50

Gender

men64%
women52%
Diamond
3%
6%
Water
12%
19%
Graphene
64%
52%
Cellulose
20%
21%

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What is the best conductor of heat? (at a temperature 20°C and relative humidity 50%)
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Author: Tschuka
Illustration: prilfish
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