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ProgettiCULTURA E STORIA
CULTURA E STORIA
1462 progetti disponibili • 3 sottocategorie
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Progetti (1462)
Understanding Chlorine from Salt Electrolysis — The Element That Purifies Water
di Peter
Chimica
27
0
0
0
2
0
Pericoloso
Understanding Fluorine from Fluorite — The Most Reactive Element on Earth
di Peter
Chimica
20
0
0
0
1
0
Pericoloso
Extracting Iodine from Seaweed Ash — The Violet Vapor That Prevents Goiter
di Peter
Chimica
27
0
0
0
1
0
Understanding Tantalum from Columbite-Tantalite — The Conflict Metal Inside Every Phone
di Peter
Chimica
23
0
0
0
1
0
Pericoloso
Extracting Gallium from Bauxite Residue — The Liquid Metal That Melts in Your Hand
di Peter
Chimica
32
0
0
0
1
0
Pericoloso
Recovering Selenium from Copper Refinery Anode Slime — The Photoconductor That Sees Light
di Peter
Chimica
28
0
0
0
2
0
Pericoloso
Extracting Neodymium-Rich Rare Earth Oxide from Monazite — The Magnet Metal That Reshaped Technology
di Peter
Chimica
24
0
0
0
5
0
Pericoloso
Extracting Boron Compounds from Borax — The Desert Mineral That Cleans, Fluxes, and Strengthens Glass
di Peter
Chimica
34
0
0
0
1
0
Pericoloso
Extracting Lithium from Spodumene — The Lightest Metal That Powers the Future
di Peter
Chimica
29
0
0
0
0
0
Alloying Steel from Iron and Carbon — The Metal That Built the Modern World
di Mary
Antico
33
0
0
0
6
0
Pericoloso
Alloying Brass from Copper and Zinc — The Golden Metal That Is Neither Gold Nor Bronze
di Mary
Ottone
28
0
0
0
4
0
Pericoloso
Making Black Powder from Saltpeter, Sulfur, and Charcoal — The Mixture That Changed the World
di Charlie
Medioevo
85
0
0
0
7
0
Building a Box Bellows — The Breath That Makes Metal Obey Fire
di Emma
Meccanica
50
0
0
0
7
0
Making Soda-Lime Glass from Raw Materials — The Recipe That Has Not Changed in 5,000 Years
di Mary
Antico
58
0
0
0
17
0
Understanding Oxygen Through Combustion — The Element That Makes Fire Breathe
di Peter
Chimica
41
0
0
0
1
0
Pericoloso
Generating Hydrogen Gas from Acid and Metal — The Lightest Element in the Universe
di Peter
Chimica
37
0
0
0
1
0
Understanding Carbon Through Charcoal Making — The Element of Life and Fire
di Peter
Chimica
67
0
0
0
1
0
Recovering Magnesium Salts from Seawater — The Lightweight Metal That Burns White
di Peter
Chimica
57
0
0
0
0
0
Pericoloso
Growing Saltpeter from Niter Beds — The Explosive Element in Every Living Thing
di Peter
Chimica
199
0
0
0
2
0
Recognizing Silicon in Nature — From Flint Nodules to Quartz Crystals
di Peter
Chimica
46
0
0
0
1
0