Archives for: "November 2017, 06"

Grain boundaries between crystals in big ice

November 6th, 2017
Most snow crystals are single crystals. Being single is an outcome of their growth process and small size. On the other hand, most larger ice formations are not single crystals. These latter types are called "polycrystals". A polycrystal usually appears… more »

Sheet icicles

November 6th, 2017
On a bitter cold day in 2013, I was at a familiar cliff, climbing under a large rock ceiling. A little water had been seeping down through the crack above, forming an ice-filled crack that I had to dig out with my hammer to proceed. In a few spots, the… more »

The "Snow Candle"

November 6th, 2017
If you go about 50-km northwest of Sapporo, Japan, aiming to stay on the coast, you will land in the port city of Otaru. Like Sapporo and the rest of Hokkaido, this is snow and ice country. Here in Otaru, they have a "snow candle" festival every winter.… more »