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."
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Answers by country
Diamond
Water
Graphene
Cellulose
answers
the Netherlands
25
Vietnam
14
Malaysia
20
Singapore
26
the United Kingdom
198
Australia
85
France
17
India
660
Poland
4855
Nigeria
120
Ghana
16
Austria
49
the United States
309
Pakistan
71
Germany
233
Canada
51
Republic of Ireland
14
Greece
19
the Philippines
47
Sri Lanka
14