សិល្បៈ
សម្រស់ និង សុខុមាលភាព
សិប្បកម្ម
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
បរិស្ថាន
ម្ហូប និង ភេសជ្ជៈ
វិស្វកម្មបញ្ច្រាស
វិទ្យាសាស្ត្រ
កីឡា
បច្ចេកវិទ្យា
ប្រដាប់ដែលស្លៀក

បុរាណ

317 ប្លង់មាន

ប្លង់ (317)

Mordanting Wool with Alum — The Foundation of Natural Dyeing

Mordanting Wool with Alum — The Foundation of Natural Dyeing

ដោយ TexFO

បុរាណ

107
0
0
0
51
0
Reeling Silk from Cocoons — Unwinding the Continuous Filament

Reeling Silk from Cocoons — Unwinding the Continuous Filament

ដោយ TexFO

បុរាណ

159
0
0
0
2
0
Quench Hardening and Tempering a Steel Blade — Heat Treatment Fundamentals

Quench Hardening and Tempering a Steel Blade — Heat Treatment Fundamentals

ដោយ ForgeNO

បុរាណ

76
0
0
0
4
0
Smelting Bog Iron in a Bloomery Furnace — From Ore to Wrought Iron

Smelting Bog Iron in a Bloomery Furnace — From Ore to Wrought Iron

ដោយ ForgeNO

បុរាណ

126
0
0
0
4
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
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
Understanding Aluminum Extraction from Bauxite — The Metal More Precious Than Gold

Understanding Aluminum Extraction from Bauxite — The Metal More Precious Than Gold

ដោយ PeterSE

អាលុយមីញ៉ូម

50
0
0
0
1
0
បង្ហាញ 24 ក្នុងចំណោម 317