What Is Sea Level? [Science Video] What exactly is “Sea Level” and how do you calculate it? Find out in this informative video from Minute Physics! [Minute Physics] Sharing is Caring:FacebookTwitterEmailMorePinterestMastodon -Geeky T-Shirt Sale: 1000s of TEES at Just $16 Each! Geeks are Sexy needs YOUR help. Learn more about how YOU can support us here.