Canada's largest city has been pioneering the idea that instead of using electricity to power air conditioning, a useful supply of cold can be directly extracted from the environment.
加拿大最大的城市已经率先使用这一想法来取代利用电力来进行空气调节，在这里可利用的冷却资源供给可以直接从环境中获得。
Famed inventor Nikola Tesla, for example, was among those who dreamed of capturing and using electricity from the air.
例如，著名的发明家尼古拉·特斯拉就曾经提出过从大气中捕获电流并加以应用的设想。
They worried that the delivery of electricity through the air could not be metered, and there would be nothing to stop people from helping themselves.
他们担心通过空气提供的电力可能无法测量，没有什么事情会阻止人们自救。
应用推荐