How it got here: Scottish chemist and physicist Sir James Dewar invented the vacuum flask Iin 1892 as a way to keep liquid nitrogen from warming up and turning into gas in his lab.
它是如何问世的：1982年苏格兰化学家和物理学家JamesDewar爵士发明了保温瓶用以防止实验室中的液氮升温而气化。
At Germany's Karlsruhe Institute of Technology, chemist Peter Stemmermann says his lab has an approach that will do both.
德国卡尔斯鲁厄理工学院的化学家彼得·施特摩尔曼声称，他的实验室针对这两种途径都已经取得了进展。
At Germany's Karlsruhe Institute of Technology, chemist Peter Stemmermann says his lab has an approach that will do both.
德国卡尔斯鲁厄理工学院的化学家彼得·施特摩尔曼声称，他的实验室针对这两种途径都已经取得了进展。
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