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ប្លង់Culture And Historyសម័យកាល

សម័យកាល

1,383 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 (1,383)

Understanding Scandium from Thortveitite — The Rare Metal That Strengthens Aluminum
គ្រោះថ្នាក់

Understanding Scandium from Thortveitite — The Rare Metal That Strengthens Aluminum

ដោយ PeterSE

រសាយនវិទ្យា

34
0
0
0
0
0
Understanding Chlorine from Salt Electrolysis — The Element That Purifies Water

Understanding Chlorine from Salt Electrolysis — The Element That Purifies Water

ដោយ PeterSE

រសាយនវិទ្យា

26
0
0
0
2
0
Understanding Fluorine from Fluorite — The Most Reactive Element on Earth
គ្រោះថ្នាក់

Understanding Fluorine from Fluorite — The Most Reactive Element on Earth

ដោយ PeterSE

រសាយនវិទ្យា

18
0
0
0
1
0
Extracting Iodine from Seaweed Ash — The Violet Vapor That Prevents Goiter
គ្រោះថ្នាក់

Extracting Iodine from Seaweed Ash — The Violet Vapor That Prevents Goiter

ដោយ PeterSE

រសាយនវិទ្យា

26
0
0
0
1
0
Understanding Tantalum from Columbite-Tantalite — The Conflict Metal Inside Every Phone

Understanding Tantalum from Columbite-Tantalite — The Conflict Metal Inside Every Phone

ដោយ PeterSE

រសាយនវិទ្យា

23
0
0
0
1
0
Extracting Gallium from Bauxite Residue — The Liquid Metal That Melts in Your Hand
គ្រោះថ្នាក់

Extracting Gallium from Bauxite Residue — The Liquid Metal That Melts in Your Hand

ដោយ PeterSE

រសាយនវិទ្យា

31
0
0
0
1
0
Recovering Selenium from Copper Refinery Anode Slime — The Photoconductor That Sees Light
គ្រោះថ្នាក់

Recovering Selenium from Copper Refinery Anode Slime — The Photoconductor That Sees Light

ដោយ PeterSE

រសាយនវិទ្យា

25
0
0
0
2
0
Extracting Neodymium-Rich Rare Earth Oxide from Monazite — The Magnet Metal That Reshaped Technology
គ្រោះថ្នាក់

Extracting Neodymium-Rich Rare Earth Oxide from Monazite — The Magnet Metal That Reshaped Technology

ដោយ PeterSE

រសាយនវិទ្យា

22
0
0
0
5
0
Extracting Boron Compounds from Borax — The Desert Mineral That Cleans, Fluxes, and Strengthens Glass
គ្រោះថ្នាក់

Extracting Boron Compounds from Borax — The Desert Mineral That Cleans, Fluxes, and Strengthens Glass

ដោយ PeterSE

រសាយនវិទ្យា

28
0
0
0
1
0
Extracting Lithium from Spodumene — The Lightest Metal That Powers the Future
គ្រោះថ្នាក់

Extracting Lithium from Spodumene — The Lightest Metal That Powers the Future

ដោយ PeterSE

រសាយនវិទ្យា

27
0
0
0
0
0
Alloying Steel from Iron and Carbon — The Metal That Built the Modern World

Alloying Steel from Iron and Carbon — The Metal That Built the Modern World

ដោយ MaryFI

បុរាណ

31
0
0
0
6
0
Alloying Brass from Copper and Zinc — The Golden Metal That Is Neither Gold Nor Bronze
គ្រោះថ្នាក់

Alloying Brass from Copper and Zinc — The Golden Metal That Is Neither Gold Nor Bronze

ដោយ MaryFI

លង្ហិន

23
0
0
0
4
0
Making Black Powder from Saltpeter, Sulfur, and Charcoal — The Mixture That Changed the World
គ្រោះថ្នាក់

Making Black Powder from Saltpeter, Sulfur, and Charcoal — The Mixture That Changed the World

ដោយ CharlieDE

មជ្ឈិមសតវត្ស

72
0
0
0
7
0
Building a Box Bellows — The Breath That Makes Metal Obey Fire

Building a Box Bellows — The Breath That Makes Metal Obey Fire

ដោយ EmmaSE

មេកានិក

48
0
0
0
7
0
Making Soda-Lime Glass from Raw Materials — The Recipe That Has Not Changed in 5,000 Years

Making Soda-Lime Glass from Raw Materials — The Recipe That Has Not Changed in 5,000 Years

ដោយ MaryFI

បុរាណ

54
0
0
0
17
0
Understanding Oxygen Through Combustion — The Element That Makes Fire Breathe

Understanding Oxygen Through Combustion — The Element That Makes Fire Breathe

ដោយ PeterSE

រសាយនវិទ្យា

38
0
0
0
1
0
Generating Hydrogen Gas from Acid and Metal — The Lightest Element in the Universe
គ្រោះថ្នាក់

Generating Hydrogen Gas from Acid and Metal — The Lightest Element in the Universe

ដោយ PeterSE

រសាយនវិទ្យា

36
0
0
0
1
0
Understanding Carbon Through Charcoal Making — The Element of Life and Fire

Understanding Carbon Through Charcoal Making — The Element of Life and Fire

ដោយ PeterSE

រសាយនវិទ្យា

56
0
0
0
1
0
Recovering Magnesium Salts from Seawater — The Lightweight Metal That Burns White

Recovering Magnesium Salts from Seawater — The Lightweight Metal That Burns White

ដោយ PeterSE

រសាយនវិទ្យា

51
0
0
0
0
0
Growing Saltpeter from Niter Beds — The Explosive Element in Every Living Thing
គ្រោះថ្នាក់

Growing Saltpeter from Niter Beds — The Explosive Element in Every Living Thing

ដោយ PeterSE

រសាយនវិទ្យា

181
0
0
0
2
0
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