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 ...

Primed to view any unusual behaviour by Valve as evidence of Half-Life 3's development, fans have naturally speculated that this hidden game is Gordon Freeman's long-awaited third adventure. But ...

While early word from the manufacturer appeared to suggest that a Z2-powered Steam Deck was on the way, a Valve dev has logged on to tell the world that no such product is in development.

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 ...