Briefly, it's super-strong and stiff, amazingly thin, almost completely transparent, extremely light, and an amazing conductor of electricity and heat. It also has some extremely unusual electronic properties.General propertiesGraphene is an amazingly pure substance, thanks largely to its simple, ...
Korean scientists achieve a four-fold increase in energy density for graphene-based supercapacitors. Scientists Must Stop Confusing Batteries and Supercapacitors, Argue Experts by Prachi Patel, IEEE Spectrum, 18 March 2014. Why it's misleading and unhelpful to repackage batteries as supercapacitors. ...
For a political activist, dissident or just someone who has expressed strong political opinions, the threat is multiplied. One such participant reported "they busted [my friend's] door down and they beat the ever living crap out of him...and told him, 'If you and your family want to l...
Photo: The power of steam: a restored locomotive running on the Swanage Railway in England. Expanding steam releases energy that drives the engine's pistons. It's pretty obvious that the steam leaving the chimney still contains quite a bit of energy, which is one reason why engines like thi...