As the heart muscle contracts, it propels the blood out into the vascular system. The heart’s chambers and valves are arranged to direct the flow of the blood as the heart beats. The heart has two ...

In 1964 and ’65, the Cardinals gave Uecker that World Series ring (eventually, evidently), that championship cred, a bill for a dented tuba and material galore. “I don’t even remember ...

Here's the process of making this rotary valve engine with a different intake and an exhaust system. It wasn't easy to start this engine and took some time to fully complete it. Join this channel ...