Martha Stewart on MSN

Should You Cover Your AC Unit in Winter? HVAC Experts Weigh In

Airflow helps any moisture evaporate and dries the internal parts of your AC unit. "However, covering your AC unit for winter can lead to restricted airflow—especially if it is covered too tightly," ...
Interesting Engineering on MSN

Paint-like coating cools buildings, reflects 97% of sunlight, captures water from air

The nano-engineered polymer paint-like coating could help tackle global water scarcity and cool buildings, reducing the need for energy-intensive systems.