សិល្បៈ
សម្រស់ និង សុខុមាលភាព
សិប្បកម្ម
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
បរិស្ថាន
ម្ហូប និង ភេសជ្ជៈ
វិស្វកម្មបញ្ច្រាស
វិទ្យាសាស្ត្រ
កីឡា
បច្ចេកវិទ្យា
ប្រដាប់ដែលស្លៀក
បុរាណ
317 ប្លង់មាន
ប្លង់ (317)
Building a Khaen — The Lao Free-Reed Mouth Organ
ដោយ Woody
បុរាណ
211
0
0
0
0
0
Making an Ektara — India's One-String Drone You Bend by Squeezing
ដោយ Woody
បុរាណ
42
0
0
0
0
0
Making a Ghatam — The South Indian Clay Pot Drum
ដោយ Clay
បុរាណ
45
0
0
0
0
0
Building a Sheng — The Chinese Free-Reed Mouth Organ
ដោយ Woody
បុរាណ
67
0
0
0
0
0
Making a Dizi — The Chinese Bamboo Flute with a Buzzing Membrane
ដោយ Woody
បុរាណ
88
0
0
0
0
0
The Royal Game of Ur — Build and Play the Oldest Board Game
ដោយ Woody
បុរាណ
87
0
0
0
0
0
Building a Lyre of Ur — The Sumerian Bull Lyre
ដោយ Woody
បុរាណ
42
0
0
0
0
0
The Sand Reckoner — Count the Grains and Tame Huge Numbers
ដោយ Mark
បុរាណ
47
0
0
0
0
0
Magic Squares — Arrange Numbers So Every Line Adds the Same
ដោយ Mark
បុរាណ
26
0
0
0
0
0
Trigonometry — Build a Clinometer and Measure a Tree's Height
ដោយ Mark
បុរាណ
41
0
0
0
0
0
Perfect Numbers — Find the Numbers That Equal Their Own Parts
ដោយ Mark
បុរាណ
31
0
0
0
0
0
Heron's Square Roots — Fold a Rectangle Toward a Square
ដោយ Mark
បុរាណ
33
0
0
0
0
0
Euclid's Algorithm — Find the Biggest Shared Measure with Paper Strips
ដោយ Mark
បុរាណ
34
0
0
0
0
0
Sieve of Eratosthenes — Hunt Prime Numbers on a Grid
ដោយ Mark
បុរាណ
40
0
0
0
0
0
Proving the Pythagorean Theorem by Cutting Squares — a² + b² = c²
ដោយ Mark
បុរាណ
51
0
0
0
0
0
Measuring Pi — Archimedes' Method of Squeezing a Circle Between Polygons
ដោយ Mark
បុរាណ
42
0
0
0
0
0
The Law of the Lever — Archimedes' Balance of Weight and Distance
ដោយ Martin
បុរាណ
60
0
0
0
1
0
Testing a Gold Crown with Water — Archimedes' Buoyancy and the Eureka Method
ដោយ Penny
បុរាណ
52
0
0
0
0
0
Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method
ដោយ Astro
បុរាណ
58
0
0
0
0
0
Measuring the Height of a Pyramid by Its Shadow — Thales' Similar Triangles
ដោយ Mark
បុរាណ
90
0
0
0
0
0
Measuring the Circumference of the Earth — Eratosthenes' Shadow Method
ដោយ Astro
បុរាណ
41
0
0
0
0
0
Understanding the Antikythera Mechanism — The World's First Analog Computer
ដោយ Emma
បុរាណ
137
0
0
0
0
0
Building an Archimedes' Screw — The Spiral Pump That Lifts Water Uphill
ដោយ Emma
បុរាណ
66
0
0
0
2
0
Building Ctesibius' Force Pump — The First Double-Acting Piston Pump
ដោយ Emma
បុរាណ
120
0
0
0
3
0
បង្ហាញ 24 ក្នុងចំណោម 317