17-03-2014
Graphite is widely used as an anode material for lithium ion batteries. Lithium atoms are stored with a well defined periodicity, called "stage" between carbon planes. The standard model describes the staging with pseudo-infinite lithium planes alternating with empty planes.
05-10-2010
The absence of friction (a.k.a. superglide) certainly sounds appealing to all skiers. Some boundaries can indeed have this property.

 

Retour en haut