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Metrologists are measurement artists who are very precise – in the case of the Boltzmann constant up to the sixth decimal place. Whoever is able to determine it very exactly will cause a small revolution in the field of worldwide temperature measurement: The temperature unit will then no longer be based - as hitherto - on a chemico-physical material property, i.e. the triple point of water, but on an unchangeable fundamental constant.

After New Yorker Alex Rein lost his job as a corporate lawyer in 2009, he decided to trade long hours reading contracts at his desk for... slushies. But not the neon, artificially flavored, convenience-store concoctions—he wanted to sell frozen treats that combined real pureed fruit with grown-up flavors like ginger and green tea.