សិល្បៈ
សម្រស់ និង សុខុមាលភាព
សិប្បកម្ម
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
បរិស្ថាន
ម្ហូប និង ភេសជ្ជៈ
វិស្វកម្មបញ្ច្រាស
វិទ្យាសាស្ត្រ
កីឡា
បច្ចេកវិទ្យា
ប្រដាប់ដែលស្លៀក
Industry 2.0 — Electricity, Steel & Oil (1870)
338 ប្លង់មាន
ប្លង់ (338)

Understanding Samarium from Monazite — The First Rare Earth Magnet
ដោយ Peter
សម័យទំនើប
16
0
0
0
4
0

Understanding Praseodymium from Monazite — The Green Twin That Colors Glass
ដោយ Peter
សម័យទំនើប
18
0
0
0
3
0

Understanding Cerium from Bastnasite — The Self-Cleaning Rare Earth
ដោយ Peter
សម័យទំនើប
10
0
0
0
9
0

Understanding Lanthanum from Monazite — The Hidden Element That Bends Light
ដោយ Peter
សម័យទំនើប
23
0
0
0
8
0

Understanding Cesium from Pollucite — The Element That Defines the Second
ដោយ Peter
សម័យទំនើប
19
0
0
0
1
0

Understanding Indium from Zinc Ore — The Soft Metal Behind Every Touchscreen
ដោយ Peter
Industry 2.0 — Electricity, Steel & Oil (1870)
61
0
0
0
3
0

Understanding Cadmium from Zinc Smelting — The Toxic Metal in Rechargeable Batteries
ដោយ Peter
ការជីកយករ៉ែ
12
0
0
0
5
0

Understanding Palladium from Platinum Group Ore — The Catalyst That Cleans the Air
ដោយ Peter
សម័យទំនើប
13
0
0
0
3
0

Understanding Rhodium from Platinum Group Ore — The Most Expensive Industrial Metal
ដោយ Peter
សម័យទំនើប
20
0
0
0
4
0

Understanding Ruthenium from Platinum Group Ore — The Hardest Platinum Metal
ដោយ Peter
សម័យទំនើប
20
0
0
0
6
0

Understanding Niobium from Columbite — The Superconducting Steel Strengthener
ដោយ Peter
សម័យទំនើប
12
0
0
0
3
0

គ្រោះថ្នាក់
Understanding Yttrium from Xenotime — The Rare Earth That Lights Red Screens
ដោយ Peter
ការជីកយករ៉ែ
44
0
0
0
12
0

Understanding Rubidium from Lepidolite — The Alkali Metal That Defines Time
ដោយ Peter
រសាយនវិទ្យា
49
0
0
0
2
0

Understanding Bromine from Seawater Brine — The Only Liquid Non-Metal
ដោយ Peter
រសាយនវិទ្យា
70
0
0
0
2
0

Understanding Germanium from Zinc Ore Processing — The Semiconductor That Started the Electronics Age
ដោយ Peter
Industry 2.0 — Electricity, Steel & Oil (1870)
43
0
0
0
2
0

គ្រោះថ្នាក់
Understanding Scandium from Thortveitite — The Rare Metal That Strengthens Aluminum
ដោយ Peter
ការជីកយករ៉ែ
44
0
0
0
0
0

Understanding Chlorine from Salt Electrolysis — The Element That Purifies Water
ដោយ Peter
រសាយនវិទ្យា
55
0
0
0
3
0

គ្រោះថ្នាក់
Understanding Fluorine from Fluorite — The Most Reactive Element on Earth
ដោយ Peter
ការជីកយករ៉ែ
40
0
0
0
4
0

គ្រោះថ្នាក់
Extracting Iodine from Seaweed Ash — The Violet Vapor That Prevents Goiter
ដោយ Peter
ការជីកយករ៉ែ
60
0
0
0
4
0

Understanding Tantalum from Columbite-Tantalite — The Conflict Metal Inside Every Phone
ដោយ Peter
ការជីកយករ៉ែ
52
0
0
0
2
0

Extracting Gallium from Bauxite Residue — The Liquid Metal That Melts in Your Hand
ដោយ Peter
ការជីកយករ៉ែ
70
0
0
0
1
0

គ្រោះថ្នាក់
Recovering Selenium from Copper Refinery Anode Slime — The Photoconductor That Sees Light
ដោយ Peter
ការជីកយករ៉ែ
64
0
0
0
2
0

គ្រោះថ្នាក់
Extracting Neodymium-Rich Rare Earth Oxide from Monazite — The Magnet Metal That Reshaped Technology
ដោយ Peter
ការជីកយករ៉ែ
39
0
0
0
11
0

Extracting Boron Compounds from Borax — The Desert Mineral That Cleans, Fluxes, and Strengthens Glass
ដោយ Peter
ការជីកយករ៉ែ
62
0
0
0
1
0
បង្ហាញ 24 ក្នុងចំណោម 338