សិល្បៈ
សម្រស់ និង សុខុមាលភាព
សិប្បកម្ម
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
បរិស្ថាន
ម្ហូប និង ភេសជ្ជៈ
វិស្វកម្មបញ្ច្រាស
វិទ្យាសាស្ត្រ
កីឡា
បច្ចេកវិទ្យា
ប្រដាប់ដែលស្លៀក
ប្លង់បច្ចេកវិទ្យា

បច្ចេកវិទ្យា

394 ប្លង់មាន • 8 ប្រភេទរង

ប្លង់ (394)

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

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

ដោយ EmmaSE

រ៉ូម៉ាំង

30
0
0
0
1
0
Building a Roman Cofferdam — Pumping Water to Build Below the Waterline

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

ដោយ EmmaSE

រ៉ូម៉ាំង

29
0
0
0
0
0
Building a Roman Concrete Dome — The Unreinforced Vault That Crowned the Pantheon

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

ដោយ EmmaSE

រ៉ូម៉ាំង

44
0
0
0
0
0
Building a Roman Sewer (Cloaca) — Underground Drainage That Made Cities Liveable

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

ដោយ EmmaSE

រ៉ូម៉ាំង

29
0
0
0
0
0
Building a Roman Undershot Water Mill — Grain Milling by Hydraulic Power

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

ដោយ EmmaSE

រ៉ូម៉ាំង

33
0
0
0
1
0
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

ដោយ EmmaSE

សំណង់

31
0
0
0
2
0
Building a Horizontal Water Wheel for Grain Milling — The First Mechanical Power Source

Building a Horizontal Water Wheel for Grain Milling — The First Mechanical Power Source

ដោយ EmmaSE

ការកិន

27
0
0
0
4
0
Turning Your First Bowl on a Lathe — Complete Beginner Tutorial

Turning Your First Bowl on a Lathe — Complete Beginner Tutorial

ដោយ WoodyNO

ការបែរ

50
0
0
0
0
0
Turning a Bowl on a Pole Lathe — Foot-Powered Green Wood Turning

Turning a Bowl on a Pole Lathe — Foot-Powered Green Wood Turning

ដោយ WoodyNO

ការបែរ

28
0
0
0
0
0
Building a Wattle-and-Daub Wall — The Universal Prehistoric Construction Technique

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

ដោយ WoodyNO

ពីមុនប្រវត្តិសាស្ត្រ

42
0
0
0
0
0
Making a Bull-Roarer — Whirling Sound Instrument

Making a Bull-Roarer — Whirling Sound Instrument

ដោយ WoodyNO

សូរ

29
0
0
0
0
0
Making Sulfuric Acid by the Lead Chamber Process — The Acid That Built the Industrial Revolution
គ្រោះថ្នាក់

Making Sulfuric Acid by the Lead Chamber Process — The Acid That Built the Industrial Revolution

ដោយ CharlieDE

ឧស្សាហកម្ម

37
0
0
0
6
0
Making Lithopone — The Co-Precipitated White Pigment of the Industrial Age
គ្រោះថ្នាក់

Making Lithopone — The Co-Precipitated White Pigment of the Industrial Age

ដោយ CharlieDE

ឧស្សាហកម្ម

31
0
0
0
2
0
Dyeing Red-Brown with Quebracho — The Industrial Tannin of South American Hardwood

Dyeing Red-Brown with Quebracho — The Industrial Tannin of South American Hardwood

ដោយ TexFO

ឧស្សាហកម្ម

33
0
0
0
1
0
Synthetic Indigo — BASF's Industrial Synthesis That Replaced a Global Crop
គ្រោះថ្នាក់

Synthetic Indigo — BASF's Industrial Synthesis That Replaced a Global Crop

ដោយ TexFO

Industry 2.0 — Electricity, Steel & Oil (1870)

56
0
0
0
0
0
Whitney's Cotton Gin — Separating Seed from Fiber at Industrial Scale

Whitney's Cotton Gin — Separating Seed from Fiber at Industrial Scale

ដោយ TexFO

កោត

17
0
0
0
1
0
Building a Pole Lathe for Green Wood Turning — Spring-Pole Reciprocating Lathe

Building a Pole Lathe for Green Wood Turning — Spring-Pole Reciprocating Lathe

ដោយ WoodyNO

ការបែរ

128
1
0
0
2
0
Understanding Sodium from Halite — The Reactive Metal That Powers Life and Industry

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

ដោយ PeterSE

រសាយនវិទ្យា

24
0
0
0
2
0
Understanding Protactinium from Uranium Ore — The Elusive Parent of Actinium

Understanding Protactinium from Uranium Ore — The Elusive Parent of Actinium

ដោយ PeterSE

រសាយនវិទ្យា

25
0
0
0
4
0
Understanding Actinium from Uranium Ore — The Element That Named the Actinides

Understanding Actinium from Uranium Ore — The Element That Named the Actinides

ដោយ PeterSE

រសាយនវិទ្យា

24
0
0
0
5
0