Discover the fascinating world of physics and engineering with our step-by-step guide on "How to Make a Pendulum Machine." This video provides detailed instructions and insights into constructing your ...

TAMPA, Fla. (AP) — Nestor Cortes got behind the plate in a batting cage and watched an 8-foot-high, 1,200-pound robot spit out fastballs, cutters and sweepers just like the ones spinning off the ...