Karl Birkeland measures the 50cm slab sitting above the buried surface hoar layer. It propagated in 21 of 24 stability tests with ECTP12-14. Photo: GNFAC
Advisory Year
Karl Birkeland measures the 50cm slab sitting above the buried surface hoar layer. It propagated in 21 of 24 stability tests with ECTP12-14. Photo: GNFAC