🤯🚗 Watch a 3D-Printed Marble Stirling Engine Car Move Step by Step! | FeedMyCuriosity

This tiny marble Stirling engine is a marvel of engineering! See how it runs on ethanol with a clever beam and ratchet mechanism, taking small steps toward its destination. The precision and ingenuity are mind-blowing. Would you try building one yourself? Let us know! 👉 To feed your curiosity with more amazing content, make sure you Like & Subscribe! #Science #Engineering #3DPrinting #Innovation