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 ༡,༡༠༡ ཡོད • ཡན་ལག་དབྱེ་རིམ ༨

བིལུ་པིརིན་ཊི (༡,༡༠༡)

Building a Carbon Monoxide Detector

Building a Carbon Monoxide Detector

Ed གྱིསFI

ཕྲ་བདག་སྐྱོང

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Building an Ultrasonic Parking Sensor

Building an Ultrasonic Parking Sensor

Ed གྱིསFI

ཕྲ་བདག་སྐྱོང

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Making a Sound-Triggered LilyPad Patch

Making a Sound-Triggered LilyPad Patch

Ed གྱིསFI

ཕྲ་བདག་སྐྱོང

༢༩
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Making a LilyPad Musical Patch

Making a LilyPad Musical Patch

Ed གྱིསFI

ཕྲ་བདག་སྐྱོང

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Sewing a LilyPad Button Circuit

Sewing a LilyPad Button Circuit

Ed གྱིསFI

LEDs

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Sewing a LilyPad LED Circuit

Sewing a LilyPad LED Circuit

Ed གྱིསFI

LEDs

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Building a Hot Blast Stove — Preheating the Air That Tripled the Blast Furnace

Building a Hot Blast Stove — Preheating the Air That Tripled the Blast Furnace

Tarkin གྱིསUS

དེང་རབས

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Casting Reinforced Concrete — Marrying Steel and Stone into the Modern Structure

Casting Reinforced Concrete — Marrying Steel and Stone into the Modern Structure

Balin གྱིསUS

དེང་རབས

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Building a Safety Bicycle — Chain Drive, Equal Wheels, and Personal Freedom

Building a Safety Bicycle — Chain Drive, Equal Wheels, and Personal Freedom

Palpatine གྱིསUS

དེང་རབས

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Distilling Coal Tar — Splitting Black Waste into the Chemical Industry
ཉེན་ཁ་ཅན།

Distilling Coal Tar — Splitting Black Waste into the Chemical Industry

Elrond གྱིསUS

དེང་རབས

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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

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

Gimli གྱིསUS

དེང་རབས

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

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

Emma གྱིསSE

སྔོན་རབས

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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

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

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

Emma གྱིསSE

སྔོན་རབས

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1101 ནང་ལས་ 24 སྟོན་དོ།