The Chinese bus company couldn’t work it out. Some days when its buses merely crawled along Shanghai’s streets, their power consumption would go through the roof. The reason why was a mystery. So, a team from the US firm Montana Technologies flew out to investigate. They started clamping electricity meters …
Read More »This Ancient Technology Is Helping Millions Stay Cool
This summer, India has endured possibly its worst ever heatwave. The capital, Delhi, logged a record high of 52.9 degrees Celsius (127 degrees Fahrenheit) on May 29, while India’s northern states have baked at sustained temperatures of more than 42 degrees during the daytime. Only now, as the rainy season …
Read More »How to Cool an Object Without Using Any Energy
This summer has been hot—one of the hottest on record—and it's probably just going to keep getting hotter. I feel like we are getting to the point where air-conditioning isn't just something nice to have, it's a necessity. There are several ways to cool things off, but the most common …
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