སྒྱུ་རྩལ
མཛེས་སྡུག་དང་བདེ་ཐང
བཟོ་རིག
རིག་གནས་དང་ལོ་རྒྱུས
དགའ་སྟོན
ཁོར་ཡུག
ཟས་དང་བཏུང་རྫས
ལྗང་མ་འཇོར་ལུགས
ཕྱིར་འཕྲུལ་རིག
ཚན་རིག
རྩེད་འགྲན
རིག་རྩལ
གྱོན་རུང

རིག་རྩལ

བིལུ་པིརིན་ཊི ༡༢༨ ཡོད • ཡན་ལག་དབྱེ་རིམ ༨

བིལུ་པིརིན་ཊི (༡༢༨)

Understanding the Antikythera Mechanism — The World's First Analog Computer

Understanding the Antikythera Mechanism — The World's First Analog Computer

Emma གྱིསSE

སྔོན་རབས

Building an Archimedes' Screw — The Spiral Pump That Lifts Water Uphill

Building an Archimedes' Screw — The Spiral Pump That Lifts Water Uphill

Emma གྱིསSE

འཕྲུལ་རིག

Building Ctesibius' Force Pump — The First Double-Acting Piston Pump

Building Ctesibius' Force Pump — The First Double-Acting Piston Pump

Emma གྱིསSE

Pumps

Building a Heron's Automaton — A Self-Moving Theatrical Machine Powered by Falling Sand

Building a Heron's Automaton — A Self-Moving Theatrical Machine Powered by Falling Sand

Emma གྱིསSE

འཕྲུལ་རིག

Building a Hydraulis — The Water-Powered Pipe Organ of Ancient Greece

Building a Hydraulis — The Water-Powered Pipe Organ of Ancient Greece

Emma གྱིསSE

རླུང

Building a Persian Windmill — The First Machine Powered by Wind

Building a Persian Windmill — The First Machine Powered by Wind

Emma གྱིསSE

རླུང

Building a Roman Odometer — The Gear-Driven Distance Measurer

Building a Roman Odometer — The Gear-Driven Distance Measurer

Emma གྱིསSE

རོ་མ

Building a Roman Screw Press for Wine — Extracting Every Drop from the Grape

Building a Roman Screw Press for Wine — Extracting Every Drop from the Grape

Emma གྱིསSE

སྔོན་རབས

Building an Aeolipile — Hero's Steam-Powered Spinning Sphere

Building an Aeolipile — Hero's Steam-Powered Spinning Sphere

Penny གྱིསDK

དྲོད་ནུས་རིག

Building a Roman Ballista — The Torsion-Powered Bolt Thrower

Building a Roman Ballista — The Torsion-Powered Bolt Thrower

Emma གྱིསSE

རོ་མ

Designing a Roman Bathhouse (Thermae) — The Engineering of Public Bathing

Designing a Roman Bathhouse (Thermae) — The Engineering of Public Bathing

Emma གྱིསSE

གཟེངས་རྟགས་རིག

Building a Roman Stone Arch Bridge — Spanning Rivers with Voussoirs and Cofferdams

Building a Roman Stone Arch Bridge — Spanning Rivers with Voussoirs and Cofferdams

Emma གྱིསSE

དངོས་ཁམས་རིག

Building a Roman Cofferdam — Pumping Water to Build Below the Waterline

Building a Roman Cofferdam — Pumping Water to Build Below the Waterline

Emma གྱིསSE

ཆུ་ནུས་དང་རླུང་ནུས

Building a Roman Concrete Dome — The Unreinforced Vault That Crowned the Pantheon

Building a Roman Concrete Dome — The Unreinforced Vault That Crowned the Pantheon

Emma གྱིསSE

བཟོ་སྐྲུན

Building a Roman Sewer (Cloaca) — Underground Drainage That Made Cities Liveable

Building a Roman Sewer (Cloaca) — Underground Drainage That Made Cities Liveable

Emma གྱིསSE

ཆུ་ནུས་དང་རླུང་ནུས

Building a Roman Undershot Water Mill — Grain Milling by Hydraulic Power

Building a Roman Undershot Water Mill — Grain Milling by Hydraulic Power

Emma གྱིསSE

ཆུ

Building a Roman Road (Via Strata) — The Layered Highway That Connected an Empire

Building a Roman Road (Via Strata) — The Layered Highway That Connected an Empire

Emma གྱིསSE

བཟོ་རིག

Building a Wattle-and-Daub Wall — The Universal Prehistoric Construction Technique

Building a Wattle-and-Daub Wall — The Universal Prehistoric Construction Technique

Woody གྱིསNO

བཟོ་སྐྲུན

༡༥
Understanding Sodium from Halite — The Reactive Metal That Powers Life and Industry

Understanding Sodium from Halite — The Reactive Metal That Powers Life and Industry

Peter གྱིསSE

རིམ་པའི་རེའུ་མིག

༡༥
Understanding Protactinium from Uranium Ore — The Elusive Parent of Actinium

Understanding Protactinium from Uranium Ore — The Elusive Parent of Actinium

Peter གྱིསSE

རྫས་རིག

༡༧