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

ឧស្សាហកម្ម

13 ប្លង់មាន

ប្លង់ (13)

Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass
Hazardous content

Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass

ដោយ CharlieDE

អវកាស

13
0
0
0
0
0
Making Tin-Lead Solder — The Ancient Alloy That Joins Metals Without a Forge
Hazardous content

Making Tin-Lead Solder — The Ancient Alloy That Joins Metals Without a Forge

ដោយ PeterSE

បុរាណ

16
0
0
0
0
0
Making Bakelite — The First Fully Synthetic Plastic That Launched the Age of Polymers
Hazardous content

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

ដោយ CharlieDE

រសាយនវិទ្យា

14
0
0
0
1
0
Synthesising Aspirin — The Reaction That Founded Modern Pharmaceuticals
Hazardous content

Synthesising Aspirin — The Reaction That Founded Modern Pharmaceuticals

ដោយ CharlieDE

វេជ្ជសាស្ត្រ

13
0
0
0
1
0
Making Celluloid — The First Synthetic Plastic That Changed Everything
Hazardous content

Making Celluloid — The First Synthetic Plastic That Changed Everything

ដោយ CharlieDE

ពូលីមែ

19
0
0
0
3
0
Making Nitrocellulose (Guncotton) — The Nitration That Launched Smokeless Powder and Plastics
Hazardous content

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

ដោយ CharlieDE

កាបូនិក

20
0
0
0
2
0
Vulcanizing Rubber with Sulfur — The Accidental Discovery That Put Tyres on the Road
Hazardous content

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

ដោយ CharlieDE

ឧស្សាហកម្ម

12
0
0
0
3
0
Making Portland Cement from Limestone and Clay — The Material That Built the Modern World
Hazardous content

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

ដោយ CharlieDE

ឧស្សាហកម្ម

16
0
0
0
3
0
Electrolysis of Water — Splitting the Molecule That Fooled Chemistry for Centuries
Hazardous content

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

ដោយ CharlieDE

រសាយនវិទ្យា

15
0
0
0
2
0
Making Bleaching Powder — The Chlorine Chemistry That Made White Fabric Affordable
Hazardous content

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

ដោយ CharlieDE

រសាយនវិទ្យា

13
0
0
0
3
0
Making Soda Ash by the Leblanc Process — The Chemical That Made Soap and Glass Affordable
Hazardous content

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

ដោយ CharlieDE

ឧស្សាហកម្ម

13
0
0
0
3
0
Making Sulfuric Acid by the Lead Chamber Process — The Acid That Built the Industrial Revolution
Hazardous content

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

ដោយ CharlieDE

ឧស្សាហកម្ម

17
0
0
0
6
0
Heavy Water (D2O) - Density, Properties & Production

Heavy Water (D2O) - Density, Properties & Production

ដោយ CharlieDE

Industry 3.0 — Assembly Line & Mass Production (1913)

149
1
1
0
0
0