

@Rainmaker1973
Engineer. Selecting and curating pictures and videos trying to awaken your sense of wonder since 2014. Science, tech, art, weather, space, the unusual around us

Early fighter planes used synchronization gears to fire through spinning propellers, showing controlled physics at thousands of RPM. [๐๏ธ BrainHook] [ ็ฝ้กต้พๆฅ โ ]