Post by: AngelOfThyNight on January 29, 2020, 03:19:51 PM
The air conditioner is nearly 100 years old, and yet it hasn't evolved much -- the technology is essentially the same as it was the day it was invented.
Source: Why India is reinventing the air conditioner (http://rss.cnn.com/~r/rss/cnn_topstories/~3/KuPKBw3riZk/index.html)