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ប្លង់Culture And History
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
404 ប្លង់មាន • 3 ប្រភេទរង
រុករកប្រភេទរង
ប្លង់ (404)
Alloying Bronze (Cu + Sn) — The Bronze Age Begins
by Forge
Furnace
43
0
0
0
2
0
Extracting Tin from Cassiterite — The Missing Ingredient
by Mary
Chemistry
69
0
0
0
1
0
Casting Copper Tools — Shaping the First Metal
by Forge
Metalworking
112
0
0
0
2
0
Smelting Copper from Malachite — The Birth of Metallurgy
by Forge
Metalworking
96
0
0
1
2
0
Panning for Gold — Finding Native Metal
by Mary
Bushcraft
48
0
0
0
0
0
Building a Clay Kiln — The First Furnace
by Forge
Metalworking
101
0
0
0
4
0
Making Charcoal — The First Chemical Process
by Mary
Survival
209
0
0
0
4
0
Simon Says — SIK Circuit 16
by Ed
Digital
40
0
0
0
0
0
Using an LCD — SIK Circuit 15
by Ed
Modern
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
Digital
39
0
0
0
0
0
Driving a Motor — SIK Circuit 12
by Ed
Motors & Servos
38
0
0
0
0
0
Using a Piezo Buzzer — SIK Circuit 11
by Ed
Electronics
45
0
0
0
0
0
Reading a Soft Potentiometer — SIK Circuit 10
by Ed
Electronics
43
0
0
0
0
0
Using a Flex Sensor — SIK Circuit 9
by Ed
Electromechanical
32
0
0
0
0
0
Driving a Servo Motor — SIK Circuit 8
by Ed
Modern
43
0
0
0
0
0
Reading a Temperature Sensor — SIK Circuit 7
by Ed
Modern
41
0
0
0
0
0
Reading a Photoresistor — SIK Circuit 6
by Ed
Modern
48
0
0
0
0
0
Push Buttons — SIK Circuit 5
by Ed
Modern
39
0
0
0
0
0
Driving Multiple LEDs — SIK Circuit 4
by Ed
Modern
41
0
0
0
0
0