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ប្លង់Culture And Historyសម័យកាល

សម័យកាល

2,095 ប្លង់មាន • 17 ប្រភេទរង

រុករកប្រភេទរង

Scientific Revolution (1600–1760)

Industry 5.0 — Open Knowledge & AI Collaboration (2026)

Renaissance (1400–1600)

Industry 4.0 — Computers & Digital Automation (1960)

Industry 3.0 — Assembly Line & Mass Production (1913)

Industry 2.0 — Electricity, Steel & Oil (1870)

Industry 1.0 — Steam & Mechanization (1760)

ប្រចាំសម័យថ្មី

សម័យទំនើប

មជ្ឈិមសតវត្ស

បុរាណ

ពីមុនប្រវត្តិសាស្ត្រ

សម័យអេដូ

ក្រិកបុរាណ

អេហ្ស៊ីប

រ៉ូម៉ាំង

វីកឃីង

ប្លង់ (2,095)

Understanding Cadmium from Zinc Smelting — The Toxic Metal in Rechargeable Batteries

Understanding Cadmium from Zinc Smelting — The Toxic Metal in Rechargeable Batteries

ដោយ PeterSE

ការជីកយករ៉ែ

13
0
0
0
5
0
Understanding Palladium from Platinum Group Ore — The Catalyst That Cleans the Air

Understanding Palladium from Platinum Group Ore — The Catalyst That Cleans the Air

ដោយ PeterSE

សម័យទំនើប

14
0
0
0
3
0
Understanding Rhodium from Platinum Group Ore — The Most Expensive Industrial Metal

Understanding Rhodium from Platinum Group Ore — The Most Expensive Industrial Metal

ដោយ PeterSE

សម័យទំនើប

22
0
0
0
4
0
Understanding Ruthenium from Platinum Group Ore — The Hardest Platinum Metal

Understanding Ruthenium from Platinum Group Ore — The Hardest Platinum Metal

ដោយ PeterSE

សម័យទំនើប

20
0
0
0
6
0
Understanding Niobium from Columbite — The Superconducting Steel Strengthener

Understanding Niobium from Columbite — The Superconducting Steel Strengthener

ដោយ PeterSE

សម័យទំនើប

12
0
0
0
3
0
Understanding Yttrium from Xenotime — The Rare Earth That Lights Red Screens
គ្រោះថ្នាក់

Understanding Yttrium from Xenotime — The Rare Earth That Lights Red Screens

ដោយ PeterSE

ការជីកយករ៉ែ

44
0
0
0
12
0
Understanding Rubidium from Lepidolite — The Alkali Metal That Defines Time

Understanding Rubidium from Lepidolite — The Alkali Metal That Defines Time

ដោយ PeterSE

រសាយនវិទ្យា

52
0
0
0
2
0
Understanding Bromine from Seawater Brine — The Only Liquid Non-Metal

Understanding Bromine from Seawater Brine — The Only Liquid Non-Metal

ដោយ PeterSE

រសាយនវិទ្យា

72
0
0
0
2
0
Understanding Germanium from Zinc Ore Processing — The Semiconductor That Started the Electronics Age

Understanding Germanium from Zinc Ore Processing — The Semiconductor That Started the Electronics Age

ដោយ PeterSE

Industry 2.0 — Electricity, Steel & Oil (1870)

43
0
0
0
2
0
Understanding Scandium from Thortveitite — The Rare Metal That Strengthens Aluminum
គ្រោះថ្នាក់

Understanding Scandium from Thortveitite — The Rare Metal That Strengthens Aluminum

ដោយ PeterSE

ការជីកយករ៉ែ

44
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

55
0
0
0
3
0
Understanding Fluorine from Fluorite — The Most Reactive Element on Earth
គ្រោះថ្នាក់

Understanding Fluorine from Fluorite — The Most Reactive Element on Earth

ដោយ PeterSE

ការជីកយករ៉ែ

42
0
0
0
4
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

ការជីកយករ៉ែ

60
0
0
0
4
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

ការជីកយករ៉ែ

52
0
0
0
2
0
Extracting Gallium from Bauxite Residue — The Liquid Metal That Melts in Your Hand

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

ដោយ PeterSE

ការជីកយករ៉ែ

73
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

ការជីកយករ៉ែ

64
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

ការជីកយករ៉ែ

41
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

ការជីកយករ៉ែ

64
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

ការជីកយករ៉ែ

51
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

77
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

បុរាណ

64
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

170
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

97
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

173
0
0
0
17
0
បង្ហាញ 24 ក្នុងចំណោម 2095