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

ཚན་རིག

བིལུ་པིརིན་ཊི ༦༤༠ ཡོད • ཡན་ལག་དབྱེ་རིམ ༡༡

བིལུ་པིརིན་ཊི (༦༤༠)

Building a Macadam Road — Cheap, Dry Highways from Small Broken Stone

Building a Macadam Road — Cheap, Dry Highways from Small Broken Stone

Arwen གྱིསUS

དེང་རབས

༢༧
Galvanizing Iron with Zinc — A Coat That Rusts So the Iron Will Not

Galvanizing Iron with Zinc — A Coat That Rusts So the Iron Will Not

Krennic གྱིསUS

དེང་རབས

༡༦
Building a Davy Safety Lamp — A Flame That Cannot Light the Firedamp

Building a Davy Safety Lamp — A Flame That Cannot Light the Firedamp

Thranduil གྱིསUS

དེང་རབས

༡༩
Building a Voltaic Pile — The First Battery and the Birth of Steady Electricity

Building a Voltaic Pile — The First Battery and the Birth of Steady Electricity

Gloin གྱིསUS

དེང་རབས

༢༧
Making Friction Matches — Fire on the Strike of a Stick
ཉེན་ཁ་ཅན།

Making Friction Matches — Fire on the Strike of a Stick

Vader གྱིསUS

དེང་རབས

༢༤
Making a Daguerreotype — The First Practical Photograph, Drawn in Silver and Mercury
ཉེན་ཁ་ཅན།

Making a Daguerreotype — The First Practical Photograph, Drawn in Silver and Mercury

Legolas གྱིསUS

པར་ལེན

༢༥
Building a Newcomen Atmospheric Engine — The First Engine to Do Real Work

Building a Newcomen Atmospheric Engine — The First Engine to Do Real Work

Dwalin གྱིསUS

དེང་རབས

༣༢
Crucible Cast Steel by the Huntsman Process — Remelting Blister Steel into Flawless Ingots

Crucible Cast Steel by the Huntsman Process — Remelting Blister Steel into Flawless Ingots

Tarkin གྱིསUS

དེང་རབས

༢༡
Making Coal Gas for Lighting — The Gasworks That Lit the Nineteenth Century

Making Coal Gas for Lighting — The Gasworks That Lit the Nineteenth Century

Galadriel གྱིསUS

དེང་རབས

༣༡
Making Blister Steel by Cementation — Carburizing Wrought Iron into Steel

Making Blister Steel by Cementation — Carburizing Wrought Iron into Steel

Balin གྱིསUS

དེང་རབས

༣༥
Puddling Wrought Iron from Pig Iron — Burning Out the Carbon in a Reverberatory Furnace

Puddling Wrought Iron from Pig Iron — Burning Out the Carbon in a Reverberatory Furnace

Palpatine གྱིསUS

དེང་རབས

༢༨
Smelting Pig Iron in a Coke Blast Furnace — Molten Iron at Industrial Scale

Smelting Pig Iron in a Coke Blast Furnace — Molten Iron at Industrial Scale

Elrond གྱིསUS

དེང་རབས

༣༣
Making Coke from Coal — The Smokeless Fuel That Forged the Industrial Revolution
ཉེན་ཁ་ཅན།

Making Coke from Coal — The Smokeless Fuel That Forged the Industrial Revolution

Gimli གྱིསUS

དེང་རབས

༣༦
Understanding the Antikythera Mechanism — The World's First Analog Computer

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

Emma གྱིསSE

སྔོན་རབས

༦༨
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

༢༨
Building Ctesibius' Force Pump — The First Double-Acting Piston Pump

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

Emma གྱིསSE

སྔོན་རབས

༥༣
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

སྔོན་རབས

༣༣
Building an Aeolipile — Hero's Steam-Powered Spinning Sphere

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

Penny གྱིསDK

སྔོན་རབས

༢༦
Building a Compound Pulley (Block and Tackle) — Archimedes' Force Multiplier

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

Penny གྱིསDK

སྔོན་རབས

༣༤
Building a Roman Ballista — The Torsion-Powered Bolt Thrower

Building a Roman Ballista — The Torsion-Powered Bolt Thrower

Emma གྱིསSE

རོ་མ

༧༧