Modern Marvels - Season 12 - Eps 39: World's Biggest Machines 4
An enormous hydraulic machine press that stamps out a pickup truck's doors in seconds... Rock crushers that pulverize 8000 tons of solid granite per hour... Giant "chain trenchers" that dig a 35-foot ditch out of solid rock... A harvesting combine that cuts, threshes and offloads 3.3 bushels of grain-- per second... and the world's largest optical telescope, the magnificent Keck Observatory, which gazes out into the ends of the universe from nearly 14,000 feet atop the island of Hawaii. Sometimes you've gotta think big.
About Modern Marvels

Title: Modern Marvels
First Air Date: 1993-12-10
Last Air Date: 2022-08-08
Status: Returning Series
Rating: 7.9/10 (from 27 votes)
Language: EN
Seasons: 23
Total Episodes: 705
Network: History H2
Genres: Documentary
Production Companies: Jupiter Entertainment, Six West Media
Synopsis
HISTORY’s longest-running series moves to H2. Modern Marvels celebrates the ingenuity, invention and imagination found in the world around us. From commonplace items like ink and coffee to architectural masterpieces and engineering disasters, the hit series goes beyond the basics to provide insight and history into things we wonder about and that impact our lives. This series tells fascinating stories of the doers, the dreamers and sometime-schemers that create everyday items, technological breakthroughs and manmade wonders. The hit series goes deep to explore the leading edge of human inspiration and ambition.