WATCH | PBS NewsHour On GPB Knowledge At 6 P.M.
WATCH LIVE | GPB Sports' Featured GHSA Semifinals Matchups: Mill Creek At Milton, Rome At Langston Hughes - Kickoff At 5
OPENING THE ICEBOX: Cooling and Drying
Focusing on the weird world of psychrometrics, and keeping temperature and humidity in balance. Take a look into the history of air conditioning, and attempts to diversify and consolidate home climate control tools, and a deeper dive into ductwork and airflow as the Lunsfords prepare to dig into Home Chemistry.