សិល្បៈ
សម្រស់ និង សុខុមាលភាព
សិប្បកម្ម
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
បរិស្ថាន
ម្ហូប និង ភេសជ្ជៈ
វិស្វកម្មបញ្ច្រាស
វិទ្យាសាស្ត្រ
កីឡា
បច្ចេកវិទ្យា
ប្រដាប់ដែលស្លៀក
បុរាណ
316 ប្លង់មាន
ប្លង់ (316)
Sieve of Eratosthenes — Hunt Prime Numbers on a Grid
ដោយ Mark
បុរាណ
17
0
0
0
0
0
Proving the Pythagorean Theorem by Cutting Squares — a² + b² = c²
ដោយ Mark
បុរាណ
18
0
0
0
0
0
Measuring Pi — Archimedes' Method of Squeezing a Circle Between Polygons
ដោយ Mark
បុរាណ
20
0
0
0
0
0
The Law of the Lever — Archimedes' Balance of Weight and Distance
ដោយ Martin
បុរាណ
25
0
0
0
0
0
គ្រោះថ្នាក់
Testing a Gold Crown with Water — Archimedes' Buoyancy and the Eureka Method
ដោយ Penny
បុរាណ
30
0
0
0
0
0
Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method
ដោយ Astro
បុរាណ
23
0
0
0
0
0
Measuring the Height of a Pyramid by Its Shadow — Thales' Similar Triangles
ដោយ Mark
បុរាណ
48
0
0
0
0
0
Measuring the Circumference of the Earth — Eratosthenes' Shadow Method
ដោយ Astro
បុរាណ
20
0
0
0
0
0
Understanding the Antikythera Mechanism — The World's First Analog Computer
ដោយ Emma
បុរាណ
68
0
0
0
0
0
Building an Archimedes' Screw — The Spiral Pump That Lifts Water Uphill
ដោយ Emma
បុរាណ
28
0
0
0
1
0
Building Ctesibius' Force Pump — The First Double-Acting Piston Pump
ដោយ Emma
បុរាណ
52
0
0
0
3
0
Building a Heron's Automaton — A Self-Moving Theatrical Machine Powered by Falling Sand
ដោយ Emma
បុរាណ
33
0
0
0
0
0
Building a Hydraulis — The Water-Powered Pipe Organ of Ancient Greece
ដោយ Emma
បុរាណ
67
0
0
0
0
0
Building a Persian Windmill — The First Machine Powered by Wind
ដោយ Emma
បុរាណ
42
0
0
0
0
0
Building a Roman Odometer — The Gear-Driven Distance Measurer
ដោយ Emma
បុរាណ
30
0
0
0
0
0
Building a Roman Screw Press for Wine — Extracting Every Drop from the Grape
ដោយ Emma
បុរាណ
23
0
0
0
1
0
Building an Aeolipile — Hero's Steam-Powered Spinning Sphere
ដោយ Penny
បុរាណ
26
0
0
0
1
0
Building a Compound Pulley (Block and Tackle) — Archimedes' Force Multiplier
ដោយ Penny
បុរាណ
34
0
0
0
0
0
Making Standardised Roman Bricks (Lateres) — The Building Block of Imperial Architecture
ដោយ Clay
រ៉ូម៉ាំង
17
0
0
0
0
0
Building a Roman Ballista — The Torsion-Powered Bolt Thrower
ដោយ Emma
រ៉ូម៉ាំង
76
0
0
0
0
0