សិល្បៈ
សម្រស់ និង សុខុមាលភាព
សិប្បកម្ម
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
បរិស្ថាន
ម្ហូប និង ភេសជ្ជៈ
វិស្វកម្មបញ្ច្រាស
វិទ្យាសាស្ត្រ
កីឡា
បច្ចេកវិទ្យា
ប្រដាប់ដែលស្លៀក
បុរាណ
317 ប្លង់មាន
ប្លង់ (317)
Polishing a Bronze Mirror — The First Reflective Surface Made by Human Hands
ដោយ Forge
សំរិទ្ធ
74
0
0
0
0
0
Fermenting Garum Fish Sauce — Rome's Universal Condiment
ដោយ TheChef
បុរាណ
36
0
0
0
0
0
Churning Butter from Cream — The 5,000-Year-Old Fat Separation
ដោយ TheChef
បុរាណ
47
0
0
0
0
0
Making Vinegar from Wine — The Sour Accident That Preserved Civilizations
ដោយ TheChef
បុរាណ
39
0
0
0
2
0
Smelting Wootz Crucible Steel — The Indian Secret Behind Damascus Blades
ដោយ Forge
បុរាណ
92
0
0
0
0
0
Building a Horizontal Water Wheel for Grain Milling — The First Mechanical Power Source
ដោយ Emma
ការកិន
60
0
0
0
4
0
Carving a Lodestone Compass Spoon — China's Magnetic Direction Finder
ដោយ Penny
បុរាណ
39
0
0
0
0
0
Burning Limestone to Make Quicklime and Lime Plaster — The First Synthetic Building Material
ដោយ Clay
បុរាណ
46
0
0
0
0
0
Making Fresh Cheese with Rennet — The 7,000-Year-Old Preservation Technique
ដោយ TheChef
បុរាណ
44
0
0
0
2
0
Preparing Turmeric Paste and Golden Milk — Ayurveda's 4,000-Year Anti-Inflammatory
ដោយ Bob
បុរាណ
37
0
0
0
1
0
Firing Clay Bricks in a Clamp Kiln — The Building Block of Civilization
ដោយ Clay
បុរាណ
115
0
0
0
2
0
Distilling Lavender Essential Oil — The Ancient Healer's Fragrant Antiseptic
ដោយ Bob
ការចម្រោះ
40
0
0
0
1
0
Ash Glazing Pottery — The Accidental Discovery That Made Ceramics Waterproof
ដោយ Clay
បុរាណ
65
0
0
0
0
0
Making Paper from Bark and Hemp — Cai Lun's Method That Changed Civilization
ដោយ Charlie
បុរាណ
56
0
0
0
1
0
Shaping a Core-Formed Glass Vessel — The Oldest Glassworking Technique
ដោយ Charlie
អេហ្ស៊ីប
64
0
0
0
2
0
គ្រោះថ្នាក់
Wan Hu's Rocket Chair — The First Attempt at Human Rocket Flight
ដោយ Charlie
បុរាណ
77
0
0
0
0
0
គ្រោះថ្នាក់
Building Chinese Fire Arrows — The First Rockets in Human History
ដោយ Charlie
បុរាណ
116
0
0
0
1
0
គ្រោះថ្នាក់
Making Song Dynasty Fireworks — Bamboo Firecrackers and Ground Salutes
ដោយ Charlie
បុរាណ
61
0
0
0
2
0
គ្រោះថ្នាក់
Building a Song Dynasty Fire Lance — The World's First Gunpowder Weapon
ដោយ Charlie
បុរាណ
91
1
0
0
4
0
Aloe Vera Gel for Burns and Skin Healing — The Plant of Immortality
ដោយ Bob
បុរាណ
54
0
0
0
0
0
Thyme Infusion for Coughs and Respiratory Infections — The Ancient Antiseptic Herb
ដោយ Bob
បុរាណ
41
0
0
0
0
0
គ្រោះថ្នាក់
Making Tin-Lead Solder — The Ancient Alloy That Joins Metals Without a Forge
ដោយ Peter
Metal
47
0
0
0
0
0
Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North
ដោយ Astro
អេហ្ស៊ីប
181
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely
ដោយ Astro
បុរាណ
844
0
0
0
0
0
បង្ហាញ 24 ក្នុងចំណោម 317