សិល្បៈ
សម្រស់ និង សុខុមាលភាព
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វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
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ម្ហូប និង ភេសជ្ជៈ
អនាគតបៃតង
វិស្វកម្មបញ្ច្រាស
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ប្រដាប់ដែលស្លៀក
ប្លង់Culture And History
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
473 ប្លង់មាន • 3 ប្រភេទរង
រុករកប្រភេទរង
ប្លង់ (473)
Making Rope from Plant Fibers — Reverse-Wrap Cordage
by Tex
Survival
31
0
0
0
1
0
Purifying Water with a Natural Filter — Charcoal, Sand & Gravel
by Karen
Bushcraft
32
0
0
0
0
0
Flex Sensor Glove — Control 5 Servo Motors with Hand Gestures
by Ed
Sensors
35
0
0
0
0
0
Growing Copper Sulfate Crystals
by Charlie
Modern
19
0
0
0
0
0
Hand-Building a Ceramic Mug with Slab Construction
by Clay
Pottery
29
0
0
0
0
0
Making Cold Process Soap
by YourGrandma
Chemistry
244
0
0
9
0
0
Baking Sourdough Bread from Scratch
by TheChef
FOOD & DRINKS
191
0
0
0
0
0
Carving a Wooden Spoon by Hand
by Woody
Woodworking
28
0
0
0
0
0
Building a Bloomery & Smelting Iron — The Iron Age
by Forge
Vikings
240
0
0
0
1
0
Alloying Bronze (Cu + Sn) — The Bronze Age Begins
by Forge
Chemistry
43
0
0
0
2
0
Extracting Tin from Cassiterite — The Missing Ingredient
by Mary
Metals
70
0
0
0
1
0
Casting Copper Tools — Shaping the First Metal
by Forge
Metalworking
115
0
0
0
2
0
Smelting Copper from Malachite — The Birth of Metallurgy
by Forge
Prehistoric
97
0
0
1
2
0
Panning for Gold — Finding Native Metal
by Mary
Survival
48
0
0
0
0
0
Building a Clay Kiln — The First Furnace
by Forge
Furnace
102
0
0
0
4
0
Making Charcoal — The First Chemical Process
by Mary
Materials
211
0
0
0
4
0
Simon Says — SIK Circuit 16
by Ed
Electronics
40
0
0
0
0
0
Using an LCD — SIK Circuit 15
by Ed
Electronics
42
0
0
0
0
0
Using a Shift Register — SIK Circuit 14
by Ed
Digital
45
0
0
0
0
0
Using Relays — SIK Circuit 13
by Ed
Modern
39
0
0
0
0
0