སྒྱུ་རྩལ
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

རིག་རྩལ

བིལུ་པིརིན་ཊི ༤༡༦ ཡོད • ཡན་ལག་དབྱེ་རིམ ༨

བིལུ་པིརིན་ཊི (༤༡༦)

Casting Iron in a Cupola Furnace — Re-Melting Pig Iron into Finished Castings

Casting Iron in a Cupola Furnace — Re-Melting Pig Iron into Finished Castings

Piett གྱིསUS

དེང་རབས

༢༦
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
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
Preserving Food by Canning — Appert's Heat-and-Seal Method That Fed Armies

Preserving Food by Canning — Appert's Heat-and-Seal Method That Fed Armies

Bombur གྱིསUS

དེང་རབས

༢༦
Making Steel in a Bessemer Converter — Mass Steel by Blowing Air Through Iron

Making Steel in a Bessemer Converter — Mass Steel by Blowing Air Through Iron

Thrawn གྱིསUS

དེང་རབས

༣༡
Making Paper from Wood Pulp — The Groundwood Process That Made Paper Cheap

Making Paper from Wood Pulp — The Groundwood Process That Made Paper Cheap

Glorfindel གྱིསUS

དེང་རབས

༣༡
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
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
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 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 a Hydraulis — The Water-Powered Pipe Organ of Ancient Greece

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

Emma གྱིསSE

སྔོན་རབས

༦༧
Building a Persian Windmill — The First Machine Powered by Wind

Building a Persian Windmill — The First Machine Powered by Wind

Emma གྱིསSE

སྔོན་རབས

༤༢
Building a Roman Odometer — The Gear-Driven Distance Measurer

Building a Roman Odometer — The Gear-Driven Distance Measurer

Emma གྱིསSE

སྔོན་རབས

༣༡
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

༢༣
Building an Aeolipile — Hero's Steam-Powered Spinning Sphere

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

Penny གྱིསDK

སྔོན་རབས

༢༦