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ប្លង់Culture And Historyសម័យកាល

សម័យកាល

1,504 ប្លង់មាន • 17 ប្រភេទរង

រុករកប្រភេទរង

វីកឃីង

រ៉ូម៉ាំង

អេហ្ស៊ីប

ក្រិកបុរាណ

សម័យអេដូ

ពីមុនប្រវត្តិសាស្ត្រ

បុរាណ

មជ្ឈិមសតវត្ស

សម័យទំនើប

ប្រចាំសម័យថ្មី

Industry 1.0 — Steam & Mechanization (1760)

Industry 2.0 — Electricity, Steel & Oil (1870)

Industry 3.0 — Assembly Line & Mass Production (1913)

Industry 4.0 — Computers & Digital Automation (1960)

Industry 5.0 — Open Knowledge & AI Collaboration (2026)

Renaissance (1400–1600)

Scientific Revolution (1600–1760)

ប្លង់ (1,504)

Measuring Pi — Archimedes' Method of Squeezing a Circle Between Polygons

Measuring Pi — Archimedes' Method of Squeezing a Circle Between Polygons

ដោយ MarkFI

បុរាណ

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The Law of the Lever — Archimedes' Balance of Weight and Distance

The Law of the Lever — Archimedes' Balance of Weight and Distance

ដោយ MartinNO

បុរាណ

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Testing a Gold Crown with Water — Archimedes' Buoyancy and the Eureka Method

Testing a Gold Crown with Water — Archimedes' Buoyancy and the Eureka Method

ដោយ PennyDK

បុរាណ

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Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method

Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method

ដោយ AstroIS

បុរាណ

58
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Measuring the Height of a Pyramid by Its Shadow — Thales' Similar Triangles

Measuring the Height of a Pyramid by Its Shadow — Thales' Similar Triangles

ដោយ MarkFI

បុរាណ

90
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Building Leonardo da Vinci's Parachute — The Sealed Linen Pyramid of 1485

Building Leonardo da Vinci's Parachute — The Sealed Linen Pyramid of 1485

ដោយ EmmaSE

Renaissance (1400–1600)

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Measuring the Circumference of the Earth — Eratosthenes' Shadow Method

Measuring the Circumference of the Earth — Eratosthenes' Shadow Method

ដោយ AstroIS

បុរាណ

41
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Tablet Weaving a Patterned Band — Card Weaving the Trim of the Viking World

Tablet Weaving a Patterned Band — Card Weaving the Trim of the Viking World

ដោយ TexFO

មជ្ឈិមសតវត្ស

43
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Nalbinding a Wool Sock in the Oslo Stitch — The Looped Fabric Before Knitting

Nalbinding a Wool Sock in the Oslo Stitch — The Looped Fabric Before Knitting

ដោយ TexFO

មជ្ឈិមសតវត្ស

59
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Binding a Besom Broom — The Birch-Twig Broom on a Hazel Handle

Binding a Besom Broom — The Birch-Twig Broom on a Hazel Handle

ដោយ YourGrandmaIS

មជ្ឈិមសតវត្ស

45
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Carving a Wooden Clog — The All-Wood Sabot from a Single Green Block

Carving a Wooden Clog — The All-Wood Sabot from a Single Green Block

ដោយ WoodyNO

មជ្ឈិមសតវត្ស

50
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Making a Horn Spoon — Shaping Cattle Horn with Heat and Pressure

Making a Horn Spoon — Shaping Cattle Horn with Heat and Pressure

ដោយ WoodyNO

មជ្ឈិមសតវត្ស

38
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Making a Coiled-Straw Bee Skep — The Traditional Beehive Before Wooden Boxes

Making a Coiled-Straw Bee Skep — The Traditional Beehive Before Wooden Boxes

ដោយ KarenSE

មជ្ឈិមសតវត្ស

60
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1
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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

ដោយ TarkinUS

សម័យទំនើប

51
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Pasteurising Milk and Wine — Gentle Heat That Kills the Germs Without Cooking

Pasteurising Milk and Wine — Gentle Heat That Kills the Germs Without Cooking

ដោយ GaladrielUS

សម័យទំនើប

44
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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

ដោយ BalinUS

សម័យទំនើប

50
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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

ដោយ PalpatineUS

សម័យទំនើប

59
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Distilling Coal Tar — Splitting Black Waste into the Chemical Industry
គ្រោះថ្នាក់

Distilling Coal Tar — Splitting Black Waste into the Chemical Industry

ដោយ ElrondUS

សម័យទំនើប

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Building a Screw-Cutting Lathe — The Machine That Makes Other Machines

Building a Screw-Cutting Lathe — The Machine That Makes Other Machines

ដោយ GimliUS

សម័យទំនើប

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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

ដោយ PiettUS

សម័យទំនើប

44
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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

ដោយ ArwenUS

សម័យទំនើប

48
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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

ដោយ KrennicUS

សម័យទំនើប

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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

ដោយ ThranduilUS

សម័យទំនើប

43
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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

ដោយ BomburUS

សម័យទំនើប

48
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បង្ហាញ 24 ក្នុងចំណោម 1504