សិល្បៈ
សម្រស់ និង សុខុមាលភាព
សិប្បកម្ម
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
បរិស្ថាន
ម្ហូប និង ភេសជ្ជៈ
វិស្វកម្មបញ្ច្រាស
វិទ្យាសាស្ត្រ
កីឡា
បច្ចេកវិទ្យា
ប្រដាប់ដែលស្លៀក
សម័យកាល
1,383 ប្លង់មាន • 17 ប្រភេទរង
រុករកប្រភេទរង
វីកឃីង
រ៉ូម៉ាំង
អេហ្ស៊ីប
ក្រិកបុរាណ
សម័យអេដូ
ពីមុនប្រវត្តិសាស្ត្រ
បុរាណ
មជ្ឈិមសតវត្ស
សម័យទំនើប
ប្រចាំសម័យថ្មី
Industry 1.0 — Steam & Mechanization (1760)
Industry 2.0 — Electricity, Steel & Oil (1870)
Industry 3.0 — Assembly Line & Mass Production (1913)
Industry 4.0 — Computers & Digital Automation (1960)
Industry 5.0 — Open Knowledge & AI Collaboration (2026)
Renaissance (1400–1600)
Scientific Revolution (1600–1760)
ប្លង់ (1,383)

Fibonacci Numbers — Count the Spirals on a Pinecone
ដោយ Mark
មជ្ឈិមសតវត្ស
17
0
0
0
0
0

Perfect Numbers — Find the Numbers That Equal Their Own Parts
ដោយ Mark
បុរាណ
18
0
0
0
0
0

Heron's Square Roots — Fold a Rectangle Toward a Square
ដោយ Mark
បុរាណ
21
0
0
0
0
0

Euclid's Algorithm — Find the Biggest Shared Measure with Paper Strips
ដោយ Mark
បុរាណ
17
0
0
0
0
0

Sieve of Eratosthenes — Hunt Prime Numbers on a Grid
ដោយ Mark
បុរាណ
17
0
0
0
0
0

Building Leonardo da Vinci's Armored Car — The Ancestor of the Tank
ដោយ Emma
Renaissance (1400–1600)
22
0
0
0
0
0

Building Leonardo da Vinci's Ornithopter — The Flapping-Wing Flying Machine
ដោយ Emma
Renaissance (1400–1600)
31
0
0
0
0
0

Proving the Pythagorean Theorem by Cutting Squares — a² + b² = c²
ដោយ Mark
បុរាណ
18
0
0
0
0
0

Building Leonardo da Vinci's Revolving Bridge — The Swing Bridge for a Marching Army
ដោយ Emma
Renaissance (1400–1600)
18
0
0
0
0
0

Building Leonardo da Vinci's Self-Propelled Cart — The First Programmable Robot
ដោយ Emma
Renaissance (1400–1600)
22
0
0
0
0
0

Building Leonardo da Vinci's Aerial Screw — The Ancestor of the Helicopter
ដោយ Emma
Renaissance (1400–1600)
24
0
0
0
0
0

Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method
ដោយ Astro
មជ្ឈិមសតវត្ស
24
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

Building Leonardo da Vinci's Parachute — The Sealed Linen Pyramid of 1485
ដោយ Emma
Renaissance (1400–1600)
25
0
0
0
0
0

Measuring the Circumference of the Earth — Eratosthenes' Shadow Method
ដោយ Astro
បុរាណ
20
0
0
0
0
0

Tablet Weaving a Patterned Band — Card Weaving the Trim of the Viking World
ដោយ Tex
មជ្ឈិមសតវត្ស
24
0
0
0
0
0