Columbia Engineering built a pigment-free paint filled with microscopic air pores; it stayed 6°C below surrounding air during hot desert tests in Arizona
411 डेस्क☆ सेव करें

सारांश
411 AI सारांश — 3 पॉइंट में
इस खबर को पढ़ें:
मूल रिपोर्ट: Economic Times

