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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)

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

59
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

37
0
0
0
11
0
Extracting Boron Compounds from Borax — The Desert Mineral That Cleans, Fluxes, and Strengthens Glass

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

ដោយ PeterSE

រសាយនវិទ្យា

56
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

49
0
0
0
3
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

72
0
0
0
6
0
Alloying Brass from Copper and Zinc — The Golden Metal That Is Neither Gold Nor Bronze

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

ដោយ MaryFI

លង្ហិន

51
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

145
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

85
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

128
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

57
0
0
0
4
0
Generating Hydrogen Gas from Acid and Metal — The Lightest Element in the Universe

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

ដោយ PeterSE

រសាយនវិទ្យា

78
0
0
0
3
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

106
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

89
0
0
0
1
0
Growing Saltpeter from Niter Beds — The Explosive Element in Every Living Thing

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

ដោយ PeterSE

រសាយនវិទ្យា

263
0
0
0
5
0
Recognizing Silicon in Nature — From Flint Nodules to Quartz Crystals

Recognizing Silicon in Nature — From Flint Nodules to Quartz Crystals

ដោយ PeterSE

រសាយនវិទ្យា

79
0
0
0
1
0
Burning Quicklime from Limestone — The Element That Built Civilization

Burning Quicklime from Limestone — The Element That Built Civilization

ដោយ PeterSE

រសាយនវិទ្យា

77
0
0
0
6
0
Extracting Potash from Wood Ash — The Alkali Element Hidden in Every Fire

Extracting Potash from Wood Ash — The Alkali Element Hidden in Every Fire

ដោយ PeterSE

រសាយនវិទ្យា

280
0
0
0
7
0
Understanding Tellurium from Calaverite — The Rarest Stable Metalloid from Gold Ore

Understanding Tellurium from Calaverite — The Rarest Stable Metalloid from Gold Ore

ដោយ PeterSE

រសាយនវិទ្យា

20
0
0
0
1
0
Understanding Zirconium from Zircon — The Ancient Gemstone That Clocks Earth's Age

Understanding Zirconium from Zircon — The Ancient Gemstone That Clocks Earth's Age

ដោយ PeterSE

រសាយនវិទ្យា

23
0
0
0
2
0
Understanding Uranium from Uraninite — The Element That Changed Everything
គ្រោះថ្នាក់

Understanding Uranium from Uraninite — The Element That Changed Everything

ដោយ PeterSE

រសាយនវិទ្យា

70
0
0
0
8
0
Understanding Vanadium from Vanadinite — The Rainbow-Blooded Metal Named for a Goddess

Understanding Vanadium from Vanadinite — The Rainbow-Blooded Metal Named for a Goddess

ដោយ PeterSE

រសាយនវិទ្យា

26
0
0
0
0
0
Understanding Beryllium from Beryl — The Toxic Gem Metal Behind Emeralds

Understanding Beryllium from Beryl — The Toxic Gem Metal Behind Emeralds

ដោយ PeterSE

រសាយនវិទ្យា

24
0
0
0
0
0
Understanding Strontium from Celestine — The Element That Paints Fireworks Red

Understanding Strontium from Celestine — The Element That Paints Fireworks Red

ដោយ PeterSE

រសាយនវិទ្យា

57
0
0
0
3
0
Understanding Barium from Baryte — The Heavy Earth That Glows in the Dark

Understanding Barium from Baryte — The Heavy Earth That Glows in the Dark

ដោយ PeterSE

រសាយនវិទ្យា

45
0
0
0
3
0
បង្ហាញ 24 ក្នុងចំណោម 1504