Archives for: "August 2014"

New habit diagram for branched tabular crystals

August 24th, 2014
You might call these “snowflakes”. But let's be specific here with the names. Anyway, a close associate who has been sweating over his snow-crystal growth machine in Japan for many years has just published his latest results. His machine is a vertical… more »

It’s not a rainbow (it’s better)

August 12th, 2014
In summer, the sun reaches higher elevations, bringing the possibility of new atmospheric displays. I saw this one in mid-June. The top, upward arc is the more familiar and common 22-degree halo. But pay attention to the one on the bottom. Its colors… more »