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المخططاتالثقافة والتاريخ

الثقافة والتاريخ

1,455 مخططات متاحة • 3 فئات فرعية

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المخططات (1,455)

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

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

بواسطة PeterSE

كيمياء

28
0
0
0
1
0
Extracting Lithium from Spodumene — The Lightest Metal That Powers the Future
خطير

Extracting Lithium from Spodumene — The Lightest Metal That Powers the Future

بواسطة PeterSE

كيمياء

27
0
0
0
0
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

بواسطة MaryFI

قديم

31
0
0
0
6
0
Alloying Brass from Copper and Zinc — The Golden Metal That Is Neither Gold Nor Bronze
خطير

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

بواسطة MaryFI

نحاس أصفر

25
0
0
0
4
0
Making Black Powder from Saltpeter, Sulfur, and Charcoal — The Mixture That Changed the World
خطير

Making Black Powder from Saltpeter, Sulfur, and Charcoal — The Mixture That Changed the World

بواسطة CharlieDE

العصور الوسطى

76
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

بواسطة EmmaSE

ميكانيكا

48
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

بواسطة MaryFI

قديم

55
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

بواسطة PeterSE

كيمياء

38
0
0
0
1
0
Generating Hydrogen Gas from Acid and Metal — The Lightest Element in the Universe
خطير

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

بواسطة PeterSE

كيمياء

37
0
0
0
1
0
Understanding Carbon Through Charcoal Making — The Element of Life and Fire

Understanding Carbon Through Charcoal Making — The Element of Life and Fire

بواسطة PeterSE

كيمياء

58
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

بواسطة PeterSE

كيمياء

51
0
0
0
0
0
Growing Saltpeter from Niter Beds — The Explosive Element in Every Living Thing
خطير

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

بواسطة PeterSE

كيمياء

185
0
0
0
2
0
Recognizing Silicon in Nature — From Flint Nodules to Quartz Crystals

Recognizing Silicon in Nature — From Flint Nodules to Quartz Crystals

بواسطة PeterSE

كيمياء

41
0
0
0
1
0
Burning Quicklime from Limestone — The Element That Built Civilization

Burning Quicklime from Limestone — The Element That Built Civilization

بواسطة PeterSE

كيمياء

43
0
0
0
3
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

بواسطة PeterSE

كيمياء

129
0
0
0
3
0
Understanding Tellurium from Calaverite — The Rarest Stable Metalloid from Gold Ore
خطير

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

بواسطة PeterSE

كيمياء

21
0
0
0
0
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

بواسطة PeterSE

كيمياء

35
0
0
0
0
0
Understanding Uranium from Uraninite — The Element That Changed Everything

Understanding Uranium from Uraninite — The Element That Changed Everything

بواسطة PeterSE

كيمياء

28
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

بواسطة PeterSE

كيمياء

23
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

بواسطة PeterSE

كيمياء

31
0
0
0
0
0
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