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රූපලාවණ්‍ය සහ සුවතාව
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සංස්කෘතිය සහ ඉතිහාසය
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ආහාර සහ පාන
ප්‍රතිලෝම ඉංජිනේරු
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සැලසුම්විද්‍යාවන්

විද්‍යාවන්

සැලසුම් 2,499 ක් තිබේ • උපවර්ග 11

සැලසුම් (2,499)

Building Leonardo da Vinci's Ornithopter — The Flapping-Wing Flying Machine

Building Leonardo da Vinci's Ornithopter — The Flapping-Wing Flying Machine

Emma විසින්SE

Renaissance (1400–1600)

84
0
0
0
0
0
Proving the Pythagorean Theorem by Cutting Squares — a² + b² = c²

Proving the Pythagorean Theorem by Cutting Squares — a² + b² = c²

Mark විසින්FI

පුරාණ

56
0
0
0
0
0
Building Leonardo da Vinci's Revolving Bridge — The Swing Bridge for a Marching Army

Building Leonardo da Vinci's Revolving Bridge — The Swing Bridge for a Marching Army

Emma විසින්SE

Renaissance (1400–1600)

50
0
0
0
0
0
Building Leonardo da Vinci's Self-Propelled Cart — The First Programmable Robot

Building Leonardo da Vinci's Self-Propelled Cart — The First Programmable Robot

Emma විසින්SE

Renaissance (1400–1600)

55
0
0
0
0
0
Building Leonardo da Vinci's Aerial Screw — The Ancestor of the Helicopter

Building Leonardo da Vinci's Aerial Screw — The Ancestor of the Helicopter

Emma විසින්SE

Renaissance (1400–1600)

61
0
0
0
0
0
Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method

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

Astro විසින්IS

මධ්‍යතන යුගය

59
0
0
0
0
0
Measuring Pi — Archimedes' Method of Squeezing a Circle Between Polygons

Measuring Pi — Archimedes' Method of Squeezing a Circle Between Polygons

Mark විසින්FI

පුරාණ

45
0
0
0
0
0
The Law of the Lever — Archimedes' Balance of Weight and Distance

The Law of the Lever — Archimedes' Balance of Weight and Distance

Martin විසින්NO

පුරාණ

72
0
0
0
2
0
Testing a Gold Crown with Water — Archimedes' Buoyancy and the Eureka Method

Testing a Gold Crown with Water — Archimedes' Buoyancy and the Eureka Method

Penny විසින්DK

පුරාණ

62
0
0
0
1
0
Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method

Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method

Astro විසින්IS

පුරාණ

69
0
0
0
0
0
Measuring the Height of a Pyramid by Its Shadow — Thales' Similar Triangles

Measuring the Height of a Pyramid by Its Shadow — Thales' Similar Triangles

Mark විසින්FI

පුරාණ

104
0
0
0
0
0
Building Leonardo da Vinci's Parachute — The Sealed Linen Pyramid of 1485

Building Leonardo da Vinci's Parachute — The Sealed Linen Pyramid of 1485

Emma විසින්SE

Renaissance (1400–1600)

45
0
0
0
0
0
Measuring the Circumference of the Earth — Eratosthenes' Shadow Method

Measuring the Circumference of the Earth — Eratosthenes' Shadow Method

Astro විසින්IS

පුරාණ

47
0
0
0
0
0
Making a Coiled-Straw Bee Skep — The Traditional Beehive Before Wooden Boxes

Making a Coiled-Straw Bee Skep — The Traditional Beehive Before Wooden Boxes

Karen විසින්SE

මධ්‍යතන යුගය

69
0
0
0
1
0
Pasteurising Milk and Wine — Gentle Heat That Kills the Germs Without Cooking

Pasteurising Milk and Wine — Gentle Heat That Kills the Germs Without Cooking

Galadriel විසින්US

නූතන

50
0
0
0
0
0
Casting Reinforced Concrete — Marrying Steel and Stone into the Modern Structure

Casting Reinforced Concrete — Marrying Steel and Stone into the Modern Structure

Balin විසින්US

නූතන

56
0
0
0
0
0
Building a Safety Bicycle — Chain Drive, Equal Wheels, and Personal Freedom

Building a Safety Bicycle — Chain Drive, Equal Wheels, and Personal Freedom

Palpatine විසින්US

නූතන

63
0
0
0
0
0
Distilling Coal Tar — Splitting Black Waste into the Chemical Industry
අනතුරුදායක

Distilling Coal Tar — Splitting Black Waste into the Chemical Industry

Elrond විසින්US

නූතන

59
0
0
0
0
0
Building a Screw-Cutting Lathe — The Machine That Makes Other Machines

Building a Screw-Cutting Lathe — The Machine That Makes Other Machines

Gimli විසින්US

නූතන

57
0
0
0
4
0
Building a Macadam Road — Cheap, Dry Highways from Small Broken Stone

Building a Macadam Road — Cheap, Dry Highways from Small Broken Stone

Arwen විසින්US

නූතන

57
0
0
0
0
0
Galvanizing Iron with Zinc — A Coat That Rusts So the Iron Will Not

Galvanizing Iron with Zinc — A Coat That Rusts So the Iron Will Not

Krennic විසින්US

නූතන

34
0
0
0
4
0
Building a Davy Safety Lamp — A Flame That Cannot Light the Firedamp

Building a Davy Safety Lamp — A Flame That Cannot Light the Firedamp

Thranduil විසින්US

නූතන

58
0
0
0
0
0
Building a Voltaic Pile — The First Battery and the Birth of Steady Electricity

Building a Voltaic Pile — The First Battery and the Birth of Steady Electricity

Gloin විසින්US

නූතන

45
0
0
0
2
0
Making Friction Matches — Fire on the Strike of a Stick
අනතුරුදායක

Making Friction Matches — Fire on the Strike of a Stick

Vader විසින්US

නූතන

53
0
0
0
0
0
2499 කින් 24 ක් පෙන්වයි