សិល្បៈ
សម្រស់ និង សុខុមាលភាព
សិប្បកម្ម
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
បរិស្ថាន
ម្ហូប និង ភេសជ្ជៈ
អនាគតបៃតង
វិស្វកម្មបញ្ច្រាស
វិទ្យាសាស្ត្រ
កីឡា
បច្ចេកវិទ្យា
ប្រដាប់ដែលស្លៀក
ប្លង់បច្ចេកវិទ្យា
បច្ចេកវិទ្យា
66 ប្លង់មាន • 8 ប្រភេទរង
រុករកប្រភេទរង
ប្លង់ (66)
Extracting Iodine from Seaweed Ash — The Violet Vapor That Prevents Goiter
by Peter
Periodic Table
2
0
0
0
7
0
Understanding Tantalum from Columbite-Tantalite — The Conflict Metal Inside Every Phone
by Peter
Modern
3
0
0
0
9
0
Extracting Gallium from Bauxite Residue — The Liquid Metal That Melts in Your Hand
by Peter
Modern
0
0
0
0
8
0
Hazardous content
Recovering Selenium from Copper Refinery Anode Slime — The Photoconductor That Sees Light
by Peter
Modern
1
0
0
0
9
0
Hazardous content
Extracting Neodymium-Rich Rare Earth Oxide from Monazite — The Magnet Metal That Reshaped Technology
by Peter
Mining
0
0
0
0
8
0
Hazardous content
Extracting Boron Compounds from Borax — The Desert Mineral That Cleans, Fluxes, and Strengthens Glass
by Peter
Modern
4
0
0
0
5
0
Hazardous content
Extracting Lithium from Spodumene — The Lightest Metal That Powers the Future
by Peter
Modern
4
0
0
0
6
0
ផលិតកម្មលក្ខណ៍ពីសំរាម pertanian — ការស្រង់ទាញឧស្ម័នក្រុង កាបូននៃក្រុមហ៊ុននិងក្រុម
by Karen
Agriculture
9
0
0
0
0
0
ការជ្រើសរើស និងកែច្នៃឈើរឹងសម្រាប់ធ្វើឈើ
by Woody
Subtractive Manufacturing
5
0
0
0
0
0
Harvesting and Preparing Wild Clay from Riverbanks
by Clay
CRAFT
1
0
0
0
0
0
Burning Lime from Limestone — The Oldest Chemical Industry on Earth
by Mary
Mining
0
0
0
0
0
0
Understanding Tellurium from Calaverite — The Rarest Stable Metalloid from Gold Ore
by Peter
Periodic Table
1
0
0
0
1
0
Understanding Zirconium from Zircon — The Ancient Gemstone That Clocks Earth's Age
by Peter
Chemistry
0
0
0
0
1
0
Hazardous content
Understanding Uranium from Uraninite — The Element That Changed Everything
by Peter
Periodic Table
0
0
0
0
0
0
Hazardous content
Understanding Vanadium from Vanadinite — The Rainbow-Blooded Metal Named for a Goddess
by Peter
Periodic Table
4
0
0
0
0
0
Hazardous content
Understanding Beryllium from Beryl — The Toxic Gem Metal Behind Emeralds
by Peter
Ancient
1
0
0
0
0
0
Understanding Strontium from Celestine — The Element That Paints Fireworks Red
by Peter
Ancient
0
0
0
0
0
0
Understanding Barium from Baryte — The Heavy Earth That Glows in the Dark
by Peter
Ancient
0
0
0
0
0
0
Understanding Aluminum Extraction from Bauxite — The Metal More Precious Than Gold
by Peter
Chemistry
3
0
0
0
4
0
Understanding Titanium Extraction from Ilmenite — The Impossible Metal to Smelt
by Peter
Ancient
0
0
0
0
2
0