The concept of dropping sticks of primed dynamite from drones near a ski resort is guaranteed to give any OSHA inspectors second thoughts and a dry pen. But considering the way things are currently done, armed flying robots would be a serious safety improvement.
Early last week, around 45 megatons of ice and rock plunged down the southeast flank of Mount Steele in Canada’s Yukon Territory. The avalanche, which occurred in a remote and unpopulated area, was so large that it was initially detected by earthquake seismometers.
In another reminder that the Red Planet features a complex and active surface, the HiRISE camera aboard the Mars Reconnaissance Orbiter has captured an image of a “dry ice avalanche” streaming down a cliff.
As part of its research into preventing avalanches, the Institute for Snow and Avalanche Research in Switzerland has a deep understanding of the structure of snow and ice crystals. Which Nestle realized could also be applied to improving the shelf-life of ice cream.
Aimed at winter sports enthusiasts, the Lifebag is a nifty refillable backpack. Weighing in at less than three pounds, its 150-liter capacity tank fills with gas in just three seconds when inflated manually, protecting the head and upper body of the wearer. But this Swiss invention could be so much more than just a…