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

ཚན་རིག

བིལུ་པིརིན་ཊི ༢༧༨ ཡོད • ཡན་ལག་དབྱེ་རིམ ༨

བིལུ་པིརིན་ཊི (༢༧༨)

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

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

Emma གྱིསSE

སྔོན་རབས

༢༤
Building an Archimedes' Screw — The Spiral Pump That Lifts Water Uphill

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

Emma གྱིསSE

སྔོན་རབས

༢༠
Building Ctesibius' Force Pump — The First Double-Acting Piston Pump

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

Emma གྱིསSE

འཕྲུལ་རིག

༢༢
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

དངོས་ཁམས་རིག

༢༡
Building an Aeolipile — Hero's Steam-Powered Spinning Sphere

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

Penny གྱིསDK

དྲོད་ནུས་རིག

༡༥
Building a Compound Pulley (Block and Tackle) — Archimedes' Force Multiplier

Building a Compound Pulley (Block and Tackle) — Archimedes' Force Multiplier

Penny གྱིསDK

བཟོ་རིག

༢༡
Building a Roman Ballista — The Torsion-Powered Bolt Thrower

Building a Roman Ballista — The Torsion-Powered Bolt Thrower

Emma གྱིསSE

སྔོན་རབས

༢༠
Designing a Roman Bathhouse (Thermae) — The Engineering of Public Bathing

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

Emma གྱིསSE

རོ་མ

༢༡
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

༡༧
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

གཟེངས་རྟགས་རིག

༢༤
Making Float Glass — Pilkington's Molten Tin Process That Windows Every Building on Earth

Making Float Glass — Pilkington's Molten Tin Process That Windows Every Building on Earth

Charlie གྱིསDE

དེང་རབས

༡༥
Making Lead Crystal Glass — Ravenscroft's Brilliant Flint Glass
ཉེན་ཁ་ཅན་ནང་དོན

Making Lead Crystal Glass — Ravenscroft's Brilliant Flint Glass

Charlie གྱིསDE

བཟོ་རིག

༡༧
Making Venetian Cristallo — The Water-Clear Glass of Murano

Making Venetian Cristallo — The Water-Clear Glass of Murano

Charlie གྱིསDE

ཤེལ་བཟོ

༡༨
Making Roman Millefiori Glass — Fusing Mosaic Cane Slices into a Patterned Dish

Making Roman Millefiori Glass — Fusing Mosaic Cane Slices into a Patterned Dish

Charlie གྱིསDE

རྫས་རིག

༡༦
Casting a Glass Bowl in an Open Mold — Frit-Fusing the Oldest Hollow Glassware

Casting a Glass Bowl in an Open Mold — Frit-Fusing the Oldest Hollow Glassware

Charlie གྱིསDE

རྫས་རིག

༡༥
Traditional Deer Hunting with Bow — Stalking, Shot Placement, and Field Dressing

Traditional Deer Hunting with Bow — Stalking, Shot Placement, and Field Dressing

Bob གྱིསBE

སྔོན་ལོ

༢༨
Mounting a Deer Head Trophy — Wall-Mount Taxidermy on a Wooden Shield

Mounting a Deer Head Trophy — Wall-Mount Taxidermy on a Wooden Shield

Bob གྱིསBE

དེང་རབས

༡༩
Preparing Mayan Xocolātl — The Bitter Cacao Drink of the Gods

Preparing Mayan Xocolātl — The Bitter Cacao Drink of the Gods

TheChef གྱིསDK

ཟས་དང་བཏུང་རྫས

༡༩
Roman Tooth Powder and Urine Mouthwash — Ancient Dental Chemistry That Actually Worked

Roman Tooth Powder and Urine Mouthwash — Ancient Dental Chemistry That Actually Worked

Bob གྱིསBE

སྨན་པ

The Berserker's Fly Agaric — How Amanita muscaria May Have Fuelled Viking Battle Rage
ཉེན་ཁ་ཅན་ནང་དོན

The Berserker's Fly Agaric — How Amanita muscaria May Have Fuelled Viking Battle Rage

Bob གྱིསBE

ལོ་རྒྱུས