What Happens When A Credit Card is Swiped?

What Happens When A Credit Card is Swiped?

September 4, 2012

Most people hand over their credit card to a store clerk without giving it a second thought to the payment process that goes on once he swipes the card. This infographic offers insight into what goes on once you hand over that little piece of plastic and how the charges are placed. Source

Charge Distribution In A Single Molecule

Charge Distribution In A Single Molecule

July 19, 2012

Asymmetry in the Kelvin probe force microscopy images of the tautomerization switching of naphthalocyanine. It is the first time that the charge distribution within a single molecule can be resolved. When a scanning probe tip is placed above a conductive sample, an electric field is generated due to the different electrical potentials of the tip […]