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120 bản thiết kế có sẵn
Bản thiết kế (120)
Nội dung nguy hiểm
Alloying Steel from Iron and Carbon — The Metal That Built the Modern World
by Mary
Chemistry
2
0
0
0
4
0
Nội dung nguy hiểm
Alloying Brass from Copper and Zinc — The Golden Metal That Is Neither Gold Nor Bronze
by Mary
Ancient
0
0
0
0
6
0
Building a Box Bellows — The Breath That Makes Metal Obey Fire
by Emma
Ancient
1
0
0
0
12
0
Making Soda-Lime Glass from Raw Materials — The Recipe That Has Not Changed in 5,000 Years
by Mary
Material Processing
2
0
0
0
10
0
Understanding Oxygen Through Combustion — The Element That Makes Fire Breathe
by Peter
Ancient
6
0
0
0
3
0
Generating Hydrogen Gas from Acid and Metal — The Lightest Element in the Universe
by Peter
Raw Materials
5
0
0
0
3
0
Understanding Carbon Through Charcoal Making — The Element of Life and Fire
by Peter
Ancient
6
0
0
0
2
0
Recovering Magnesium Salts from Seawater — The Lightweight Metal That Burns White
by Peter
Chemistry
17
0
0
0
2
0
Growing Saltpeter from Niter Beds — The Explosive Element in Every Living Thing
by Peter
Ancient
16
0
0
0
4
0
Recognizing Silicon in Nature — From Flint Nodules to Quartz Crystals
by Peter
Periodic Table
6
0
0
0
5
0
Burning Quicklime from Limestone — The Element That Built Civilization
by Peter
Ancient
5
0
0
0
9
0
Extracting Potash from Wood Ash — The Alkali Element Hidden in Every Fire
by Peter
Periodic Table
8
0
0
0
10
0
Understanding Tellurium from Calaverite — The Rarest Stable Metalloid from Gold Ore
by Peter
Periodic Table
1
0
0
0
2
0
Understanding Zirconium from Zircon — The Ancient Gemstone That Clocks Earth's Age
by Peter
Ancient
0
0
0
0
4
0
Nội dung nguy hiểm
Understanding Uranium from Uraninite — The Element That Changed Everything
by Peter
Chemistry
1
0
0
0
8
0
Nội dung nguy hiểm
Understanding Vanadium from Vanadinite — The Rainbow-Blooded Metal Named for a Goddess
by Peter
Periodic Table
4
0
0
0
0
0
Nội dung nguy hiểm
Understanding Beryllium from Beryl — The Toxic Gem Metal Behind Emeralds
by Peter
Periodic Table
1
0
0
0
0
0
Understanding Strontium from Celestine — The Element That Paints Fireworks Red
by Peter
Chemistry
0
0
0
0
4
0
Understanding Barium from Baryte — The Heavy Earth That Glows in the Dark
by Peter
Mining
0
0
0
0
3
0
Understanding Aluminum Extraction from Bauxite — The Metal More Precious Than Gold
by Peter
Ancient
3
0
0
0
4
0