Learning with Lyrics! on Instagram: "How do car jacks really work? 🚗🤔 Floor jacks utilize hydraulic power based on Pascal's principle, which states that pressure applied to a confined fluid is transmitted equally in all directions. By pumping a handle, you force hydraulic fluid through a check valve into a large cylinder, which pushes a main piston upward to lift the load! #science #physics #engineering #engineer #mechanic #car #stem #knowledge"

Ray Dalio on Instagram: "One of my principles is that if you’re worried, you don’t need to worry — and if you’re not worried, you need to worry. That’s because worrying about what can go wrong will protect you and not worrying about what can go wrong will leave you exposed."

Caro Kann Karpov Variation Explained for Chess Enthusiasts