Figuring out how to stay cool is probably the least of your worries lately—though there’s solace in knowing summer season’s right around the corner. In a few months, when it heats up, you’ll likely be begging for the frost you’re now scraping off your windshield. But, while AC and refrigeration will be at our fingertips when the…
How Ancient Persians Used a ‘Refrigerator’ Called a Yakhchāl to Stay Cool in the Hot Desert 2,400 Years Ago
US News
RSS Error: A feed could not be found at `https://www.theepochtimes.com/c-us/feed`; the status code is `200` and content-type is `text/html; charset=utf-8`