Because why buy 2-liters of Coca-Cola when you can spend a whole year and small fortune trying to make it yourself at home (do Mentos next!), this is a video documenting engineer Zach Armstrong’s quest to replicate the exact Coca-Cola formula. Zach uses mass spectrometry to determine the chemical composition

Because ideas come in all shapes, sizes, and practicality (this one ranks incredibly low in practicality), this is a video of Drew Dirksen testing the pool float he made entirely out of red Solo cups, super glue, and packing tape. Does it float? Yes. Can it support a child? Yes.