Measuring the amount of lead (Pb) consumed when drinking from lead crystal glassware. Is it safe? ~science chemistry Video 37:32, published Jul 6 2023 5 votes
Why is desalination so difficult? An overview of seawater desalination: Removing salt to make drinkable water from the ocean. ~engineering Video 20:32 15 votes
Fifteen YouTubers play the telephone game, Telestrations ~tv Video 15:10, published Sep 24 2020 2 votes