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សម្រស់ និង សុខុមាលភាព
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វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
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ម្ហូប និង ភេសជ្ជៈ
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ប្លង់វិទ្យាសាស្ត្រ

វិទ្យាសាស្ត្រ

1,546 ប្លង់មាន • 11 ប្រភេទរង

ប្លង់ (1,546)

Building a Brass Astrolabe — The Islamic Golden Age Instrument That Mapped the Sky

Building a Brass Astrolabe — The Islamic Golden Age Instrument That Mapped the Sky

ដោយ AstroIS

លង្ហិន

60
0
0
0
7
0
Building a Chinese Armillary Sphere — The Bronze Instrument That Mapped the Heavens

Building a Chinese Armillary Sphere — The Bronze Instrument That Mapped the Heavens

ដោយ AstroIS

សំរិទ្ធ

76
0
0
0
3
0
Making Lye from Wood Ash — The Alkali That Unlocked Soap, Tanning, and Dyeing

Making Lye from Wood Ash — The Alkali That Unlocked Soap, Tanning, and Dyeing

ដោយ CharlieDE

រសាយនវិទ្យា

105
0
0
0
0
0
Striking Fire with Flint and Steel — The Iron Age Upgrade to Fire Starting

Striking Fire with Flint and Steel — The Iron Age Upgrade to Fire Starting

ដោយ ForgeNO

ការធ្វើការលោហៈ

47
0
0
0
0
0
Making a Stone Hoe — The First Agricultural Tool

Making a Stone Hoe — The First Agricultural Tool

ដោយ MaryFI

ពីមុនប្រវត្តិសាស្ត្រ

63
0
0
0
0
0
Making Bakelite — The First Fully Synthetic Plastic That Launched the Age of Polymers
គ្រោះថ្នាក់

Making Bakelite — The First Fully Synthetic Plastic That Launched the Age of Polymers

ដោយ CharlieDE

Plastic

54
0
0
0
1
0
Synthesising Aspirin — The Reaction That Founded Modern Pharmaceuticals

Synthesising Aspirin — The Reaction That Founded Modern Pharmaceuticals

ដោយ CharlieDE

រសាយនវិទ្យា

54
0
0
0
1
0
Making Celluloid — The First Synthetic Plastic That Changed Everything
គ្រោះថ្នាក់

Making Celluloid — The First Synthetic Plastic That Changed Everything

ដោយ CharlieDE

Plastic

80
0
0
0
3
0
Making Nitrocellulose (Guncotton) — The Nitration That Launched Smokeless Powder and Plastics
គ្រោះថ្នាក់

Making Nitrocellulose (Guncotton) — The Nitration That Launched Smokeless Powder and Plastics

ដោយ CharlieDE

Plastic

118
0
0
0
2
0
Vulcanizing Rubber with Sulfur — The Accidental Discovery That Put Tyres on the Road

Vulcanizing Rubber with Sulfur — The Accidental Discovery That Put Tyres on the Road

ដោយ CharlieDE

រសាយនវិទ្យា

95
0
0
0
3
0
Making Portland Cement from Limestone and Clay — The Material That Built the Modern World

Making Portland Cement from Limestone and Clay — The Material That Built the Modern World

ដោយ CharlieDE

រសាយនវិទ្យា

82
0
0
0
4
0
Electrolysis of Water — Splitting the Molecule That Fooled Chemistry for Centuries

Electrolysis of Water — Splitting the Molecule That Fooled Chemistry for Centuries

ដោយ CharlieDE

រសាយនវិទ្យា

57
0
0
0
2
0
Making Bleaching Powder — The Chlorine Chemistry That Made White Fabric Affordable
គ្រោះថ្នាក់

Making Bleaching Powder — The Chlorine Chemistry That Made White Fabric Affordable

ដោយ CharlieDE

រសាយនវិទ្យា

45
0
0
0
3
0
Making Soda Ash by the Leblanc Process — The Chemical That Made Soap and Glass Affordable
គ្រោះថ្នាក់

Making Soda Ash by the Leblanc Process — The Chemical That Made Soap and Glass Affordable

ដោយ CharlieDE

រសាយនវិទ្យា

67
0
0
0
3
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

68
0
0
0
6
0
Making DPP Red (Pyrrole Red) — The Accidental Ferrari Pigment That Ended the Synthetic Colour Revolution
គ្រោះថ្នាក់

Making DPP Red (Pyrrole Red) — The Accidental Ferrari Pigment That Ended the Synthetic Colour Revolution

ដោយ CharlieDE

រសាយនវិទ្យា

63
0
0
0
3
0
Making Isoindoline Yellow — The High-Performance Pigment That Outlasts Cadmium
គ្រោះថ្នាក់

Making Isoindoline Yellow — The High-Performance Pigment That Outlasts Cadmium

ដោយ CharlieDE

រសាយនវិទ្យា

55
0
0
0
3
0
Making Quinacridone — The Synthetic Organic Pigment That Obsoleted Alizarin Crimson
គ្រោះថ្នាក់

Making Quinacridone — The Synthetic Organic Pigment That Obsoleted Alizarin Crimson

ដោយ CharlieDE

រសាយនវិទ្យា

69
0
0
0
4
0
Making Dioxazine Violet — The Staggeringly Powerful Purple That Replaced Cobalt Violet
គ្រោះថ្នាក់

Making Dioxazine Violet — The Staggeringly Powerful Purple That Replaced Cobalt Violet

ដោយ CharlieDE

រសាយនវិទ្យា

51
0
0
0
3
0
Making Phthalocyanine Green — The Halogenated Phthalo That Replaced Viridian
គ្រោះថ្នាក់

Making Phthalocyanine Green — The Halogenated Phthalo That Replaced Viridian

ដោយ CharlieDE

រសាយនវិទ្យា

54
0
0
0
3
0
Making Phthalocyanine Blue — The Copper Complex That Became the World's Most Used Blue Pigment

Making Phthalocyanine Blue — The Copper Complex That Became the World's Most Used Blue Pigment

ដោយ CharlieDE

រសាយនវិទ្យា

53
0
0
0
3
0
Making Hansa Yellow — The Monoazo Pigment in Every Paint Box Since 1910
គ្រោះថ្នាក់

Making Hansa Yellow — The Monoazo Pigment in Every Paint Box Since 1910

ដោយ CharlieDE

រសាយនវិទ្យា

72
1
0
0
4
0
Making Para Red — The First Azo Pigment That Launched Modern Colour Chemistry
គ្រោះថ្នាក់

Making Para Red — The First Azo Pigment That Launched Modern Colour Chemistry

ដោយ CharlieDE

រសាយនវិទ្យា

43
0
0
0
5
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

62
0
0
0
2
0
បង្ហាញ 24 ក្នុងចំណោម 1546