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සැලසුම්විද්‍යාවන්

විද්‍යාවන්

සැලසුම් 2,499 ක් තිබේ • උපවර්ග 11

සැලසුම් (2,499)

Making a Daguerreotype — The First Practical Photograph, Drawn in Silver and Mercury
අනතුරුදායක

Making a Daguerreotype — The First Practical Photograph, Drawn in Silver and Mercury

Legolas විසින්US

ඡායාරූප ශිල්පය

53
0
0
0
0
0
Building a Newcomen Atmospheric Engine — The First Engine to Do Real Work

Building a Newcomen Atmospheric Engine — The First Engine to Do Real Work

Dwalin විසින්US

නූතන

74
0
0
0
0
0
Crucible Cast Steel by the Huntsman Process — Remelting Blister Steel into Flawless Ingots

Crucible Cast Steel by the Huntsman Process — Remelting Blister Steel into Flawless Ingots

Tarkin විසින්US

නූතන

56
0
0
0
0
0
Making Coal Gas for Lighting — The Gasworks That Lit the Nineteenth Century

Making Coal Gas for Lighting — The Gasworks That Lit the Nineteenth Century

Galadriel විසින්US

නූතන

56
0
0
0
1
0
Making Blister Steel by Cementation — Carburizing Wrought Iron into Steel

Making Blister Steel by Cementation — Carburizing Wrought Iron into Steel

Balin විසින්US

නූතන

80
0
0
0
1
0
Puddling Wrought Iron from Pig Iron — Burning Out the Carbon in a Reverberatory Furnace

Puddling Wrought Iron from Pig Iron — Burning Out the Carbon in a Reverberatory Furnace

Palpatine විසින්US

නූතන

63
0
0
0
6
0
Smelting Pig Iron in a Coke Blast Furnace — Molten Iron at Industrial Scale

Smelting Pig Iron in a Coke Blast Furnace — Molten Iron at Industrial Scale

Elrond විසින්US

නූතන

64
0
0
0
5
0
Making Coke from Coal — The Smokeless Fuel That Forged the Industrial Revolution

Making Coke from Coal — The Smokeless Fuel That Forged the Industrial Revolution

Gimli විසින්US

නූතන

71
0
0
0
4
0
Understanding the Antikythera Mechanism — The World's First Analog Computer

Understanding the Antikythera Mechanism — The World's First Analog Computer

Emma විසින්SE

පුරාණ

185
0
0
0
0
0
Building an Archimedes' Screw — The Spiral Pump That Lifts Water Uphill

Building an Archimedes' Screw — The Spiral Pump That Lifts Water Uphill

Emma විසින්SE

පුරාණ

83
0
0
0
2
0
Building Ctesibius' Force Pump — The First Double-Acting Piston Pump

Building Ctesibius' Force Pump — The First Double-Acting Piston Pump

Emma විසින්SE

පුරාණ

174
0
0
0
3
0
Building a Heron's Automaton — A Self-Moving Theatrical Machine Powered by Falling Sand

Building a Heron's Automaton — A Self-Moving Theatrical Machine Powered by Falling Sand

Emma විසින්SE

පුරාණ

63
0
0
0
0
0
Building an Aeolipile — Hero's Steam-Powered Spinning Sphere

Building an Aeolipile — Hero's Steam-Powered Spinning Sphere

Penny විසින්DK

පුරාණ

54
0
0
0
1
0
Building a Compound Pulley (Block and Tackle) — Archimedes' Force Multiplier

Building a Compound Pulley (Block and Tackle) — Archimedes' Force Multiplier

Penny විසින්DK

පුරාණ

110
0
0
0
0
0
Building a Roman Ballista — The Torsion-Powered Bolt Thrower

Building a Roman Ballista — The Torsion-Powered Bolt Thrower

Emma විසින්SE

රෝමවරු

292
0
0
0
0
0
Designing a Roman Bathhouse (Thermae) — The Engineering of Public Bathing

Designing a Roman Bathhouse (Thermae) — The Engineering of Public Bathing

Emma විසින්SE

රෝමවරු

61
0
0
0
0
0
Building a Roman Stone Arch Bridge — Spanning Rivers with Voussoirs and Cofferdams

Building a Roman Stone Arch Bridge — Spanning Rivers with Voussoirs and Cofferdams

Emma විසින්SE

රෝමවරු

71
0
0
0
1
0
Building a Roman Concrete Dome — The Unreinforced Vault That Crowned the Pantheon

Building a Roman Concrete Dome — The Unreinforced Vault That Crowned the Pantheon

Emma විසින්SE

රෝමවරු

96
0
0
0
0
0
Making Float Glass — Pilkington's Molten Tin Process That Windows Every Building on Earth

Making Float Glass — Pilkington's Molten Tin Process That Windows Every Building on Earth

Charlie විසින්DE

නූතන

84
0
0
0
0
0
Making Lead Crystal Glass — Ravenscroft's Brilliant Flint Glass
අනතුරුදායක

Making Lead Crystal Glass — Ravenscroft's Brilliant Flint Glass

Charlie විසින්DE

නූතන

65
0
0
0
1
0
Making Venetian Cristallo — The Water-Clear Glass of Murano

Making Venetian Cristallo — The Water-Clear Glass of Murano

Charlie විසින්DE

පුරාණ

81
0
0
0
3
0
Making Roman Millefiori Glass — Fusing Mosaic Cane Slices into a Patterned Dish

Making Roman Millefiori Glass — Fusing Mosaic Cane Slices into a Patterned Dish

Charlie විසින්DE

මොසෙයික්

64
0
0
0
0
0
Casting a Glass Bowl in an Open Mold — Frit-Fusing the Oldest Hollow Glassware

Casting a Glass Bowl in an Open Mold — Frit-Fusing the Oldest Hollow Glassware

Charlie විසින්DE

පුරාණ

55
0
0
0
1
0
Traditional Deer Hunting with Bow — Stalking, Shot Placement, and Field Dressing

Traditional Deer Hunting with Bow — Stalking, Shot Placement, and Field Dressing

Bob විසින්BE

ජීව විද්‍යාව

69
0
0
0
0
0
2499 කින් 24 ක් පෙන්වයි