Can polystyrene/styrofoam be a fire or other hazard if subjected to direct sunlight behind a window? Submitted by bluejeans90210 t3_11aeyuw on February 24, 2023 at 1:34 AM in DIY 19 comments 37
eli5 How does measuring area in square miles work? If you have very mountainous terrain, does that increase the area compared to somewhere that is very flat? Submitted by bluejeans90210 t3_zzbi5x on December 30, 2022 at 9:05 PM in explainlikeimfive 10 comments 5