Beijing will be home to the first Winter Olympics relying entirely on artificial snow. ❄️ engineering
While Olympic athletes have mixed needs for their snow, for the vast majority of recreational skiers, natural snow is far better. Due to the air-filled crystals, it is much softer and more enjoyable to ski or snowboard on.
Scientists have been trying for decades to create more natural snow on demand. The first way that people tried to make “real” snow was by seeding natural clouds with silver iodide. The goal was to facilitate moisture in clouds turning into falling snow crystals. If you could make this process – called theprocess – occur more easily, it would theoretically increase the snowfall rate.
In practice, it has historically been difficult to prove the efficacy of seeding. However, recent work using large, meticulously deployed sets of atmospheric instruments has shown that – for a fraction of storms with the proper conditions – seeding clouds with silver iodide does indeed yield modestAnother option – which doesn’t require storm clouds to seed in the first place – is to create snowmaking machines that can grow fluffy natural snow crystals.
France Dernières Nouvelles, France Actualités
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