https://worldhistoryinpictures.com/animations/canal-lockhttps://worldhistoryinpictures.com/animations/canal-lock.jpgHow a canal lock lifts a shipFollow a vessel into a lock chamber, watch the water and ship rise together, and see why the upper gates open only after water levels match.https://worldhistoryinpictures.com/animations/canal-lock.mp4122026-09-05T00:00:00Zhttps://worldhistoryinpictures.com/animations/atmospheric-enginehttps://worldhistoryinpictures.com/animations/atmospheric-engine.jpgThe Newcomen engine’s power strokeSee how a drop in pressure beneath a piston allows atmospheric pressure to push it downward, rocking a beam and lifting a mine pump rod.https://worldhistoryinpictures.com/animations/atmospheric-engine.mp4122026-09-05T00:00:00Zhttps://worldhistoryinpictures.com/animations/printing-presshttps://worldhistoryinpictures.com/animations/printing-press.jpgHow a screw press printsFollow the paper and inked type beneath a platen, then see a turning screw apply and release pressure.https://worldhistoryinpictures.com/animations/printing-press.mp4122026-09-05T00:00:00Z