"In this case, the molecules of the crystal are in the cis geometry – of groups pointing towards each other – and melt to an identical geometry in the absence of acid at 100 degrees Celsius.

Kepler’s crystal ponderings laid the groundwork for ... Next time you catch a snowflake on your tongue, think about how geometry, meteorology and the quirky properties of water molecules have ...

By tuning the plasmonic crystal geometry and material properties, it is possible to increase the optical path length and trap light within the active layer of the solar cell. This light trapping ...