Nanomaterials describe, in principle, materials of which a single unit is sized (in at least one dimension) between 1 to 1000 nanometres (10−9 meter) but usually is 1 to 100 nm (the usual definition of nanoscale).
As an energy carrier, hydrogen inspires a lot of enthusiasm and more than a little wariness. An EU-funded project addressed safety issues related to the use of hydrogen technologies.
EN 
CS
DE
ES
FR
HU
IT
PL
PT
РУ
SK
TR
УК
AR
中文
