សិល្បៈ
សម្រស់ និង សុខុមាលភាព
សិប្បកម្ម
វប្បធម៌ និង ប្រវត្តិសាស្ត្រ
ការកម្សាន្ត
បរិស្ថាន
ម្ហូប និង ភេសជ្ជៈ
វិស្វកម្មបញ្ច្រាស
វិទ្យាសាស្ត្រ
កីឡា
បច្ចេកវិទ្យា
ប្រដាប់ដែលស្លៀក

Mathematics

42 ប្លង់មាន

ប្លង់ (42)

Vernier Caliper

Vernier Caliper

ដោយ MarkFI

មេកានិក

14
0
0
0
1
0
Bevel Protractor

Bevel Protractor

ដោយ MarkFI

Mathematics

17
0
0
0
0
0
Cloverleaf Interchange

Cloverleaf Interchange

ដោយ MarkFI

Mathematics

22
0
0
0
0
0
Hollerith Tabulator

Hollerith Tabulator

ដោយ MarkFI

គណនា

19
0
0
0
0
0
Burroughs Calculating Machine

Burroughs Calculating Machine

ដោយ MarkFI

វិទ្យាសាស្ត្រ

17
0
0
0
0
0
Cash Register

Cash Register

ដោយ MarkFI

វិទ្យាសាស្ត្រ

25
0
0
0
0
0
Slide Rule

Slide Rule

ដោយ EmmaSE

វិទ្យាសាស្ត្រ

20
0
0
0
0
0
Perspective Frame

Perspective Frame

ដោយ MarkFI

វិទ្យាសាស្ត្រ

20
0
0
0
0
0
Self-Working Card Trick

Self-Working Card Trick

ដោយ MarkFI

ល្បែងកាត

18
0
0
0
0
0
Volvelle Wheel Chart

Volvelle Wheel Chart

ដោយ MarkFI

ចេញមក

37
0
0
0
0
0
Monochord

Monochord

ដោយ PennyDK

សូរស័ព្ទ

20
0
0
0
0
0
Zero and Place-Value — Build an Abacus and Count Like the World Does

Zero and Place-Value — Build an Abacus and Count Like the World Does

ដោយ MarkFI

មជ្ឈិមសតវត្ស

25
0
0
0
0
0
Projectile Motion — Launch a Ball and Measure Its Flight

Projectile Motion — Launch a Ball and Measure Its Flight

ដោយ PennyDK

Scientific Revolution (1600–1760)

19
0
0
0
0
0
Hooke's Law — Stretch a Spring and Find Its Stiffness

Hooke's Law — Stretch a Spring and Find Its Stiffness

ដោយ PennyDK

School Projects 11-15

21
0
0
0
0
0
The Pendulum — Time a Swing and Weigh Gravity

The Pendulum — Time a Swing and Weigh Gravity

ដោយ MartinNO

Scientific Revolution (1600–1760)

18
0
0
0
0
0
The Sand Reckoner — Count the Grains and Tame Huge Numbers

The Sand Reckoner — Count the Grains and Tame Huge Numbers

ដោយ MarkFI

បុរាណ

21
0
0
0
0
0
Air Has Weight — The Upside-Down Glass and Torricelli's Barometer

Air Has Weight — The Upside-Down Glass and Torricelli's Barometer

ដោយ PennyDK

Scientific Revolution (1600–1760)

22
0
0
0
0
0
Magic Squares — Arrange Numbers So Every Line Adds the Same

Magic Squares — Arrange Numbers So Every Line Adds the Same

ដោយ MarkFI

បុរាណ

15
0
0
0
0
0
The Mercator Map — Peel an Orange and See Why Flat Maps Lie

The Mercator Map — Peel an Orange and See Why Flat Maps Lie

ដោយ MarkFI

Renaissance (1400–1600)

17
0
0
0
0
0
Snell's Law — Measure How Light Bends (Laser and Protractor)

Snell's Law — Measure How Light Bends (Laser and Protractor)

ដោយ PennyDK

Scientific Revolution (1600–1760)

20
0
0
0
0
0