ပူးပေါင်းဆောင်ရွက်ခြင်း
အနုပညာ
အလှအပနှင့် ကျန်းမာရေး
လက်မှုအနုပညာ
ယဉ်ကျေးမှုနှင့် သမိုင်း
ဖျော်ဖြေရေး
ပတ်ဝန်းကျင်
အစားအစာနှင့် အချိုရည်
ပြောင်းပြန်အင်ဂျင်နီယာပညာ
သိပ္ပံပညာများ
အားကစား
နည်းပညာ
ဝတ်ဆင်နိုင်သောပစ္စည်းများ

ခေတ်များ

ဘလူးပရင့် ၂,၇၀၉ ခု ရရှိနိုင်သည် • အမျိုးအစားခွဲ ၁၇ ခု

ဘလူးပရင့်များ (၂,၇၀၉)

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 မှSE

Renaissance (1400–1600)

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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 မှSE

Renaissance (1400–1600)

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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 မှIS

အလယ်ခေတ်

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

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

Mark မှFI

ရှေးဟောင်း

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

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

Martin မှNO

ရှေးဟောင်း

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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 မှDK

ရှေးဟောင်း

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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 မှIS

ရှေးဟောင်း

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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 မှFI

ရှေးဟောင်း

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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 မှSE

Renaissance (1400–1600)

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Measuring the Circumference of the Earth — Eratosthenes' Shadow Method

Measuring the Circumference of the Earth — Eratosthenes' Shadow Method

Astro မှIS

ရှေးဟောင်း

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Tablet Weaving a Patterned Band — Card Weaving the Trim of the Viking World

Tablet Weaving a Patterned Band — Card Weaving the Trim of the Viking World

Tex မှFO

အလယ်ခေတ်

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Nalbinding a Wool Sock in the Oslo Stitch — The Looped Fabric Before Knitting

Nalbinding a Wool Sock in the Oslo Stitch — The Looped Fabric Before Knitting

Tex မှFO

အလယ်ခေတ်

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Binding a Besom Broom — The Birch-Twig Broom on a Hazel Handle

Binding a Besom Broom — The Birch-Twig Broom on a Hazel Handle

YourGrandma မှIS

အလယ်ခေတ်

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Carving a Wooden Clog — The All-Wood Sabot from a Single Green Block

Carving a Wooden Clog — The All-Wood Sabot from a Single Green Block

Woody မှNO

အလယ်ခေတ်

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Making a Horn Spoon — Shaping Cattle Horn with Heat and Pressure

Making a Horn Spoon — Shaping Cattle Horn with Heat and Pressure

Woody မှNO

အလယ်ခေတ်

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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 မှSE

အလယ်ခေတ်

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Building a Hot Blast Stove — Preheating the Air That Tripled the Blast Furnace

Building a Hot Blast Stove — Preheating the Air That Tripled the Blast Furnace

Tarkin မှUS

ခေတ်မီ

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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 မှUS

ခေတ်မီ

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

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

Balin မှUS

ခေတ်မီ

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

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

Palpatine မှUS

ခေတ်မီ

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Distilling Coal Tar — Splitting Black Waste into the Chemical Industry
အန္တရာယ်ရှိ

Distilling Coal Tar — Splitting Black Waste into the Chemical Industry

Elrond မှUS

ခေတ်မီ

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

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

Gimli မှUS

ခေတ်မီ

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Casting Iron in a Cupola Furnace — Re-Melting Pig Iron into Finished Castings

Casting Iron in a Cupola Furnace — Re-Melting Pig Iron into Finished Castings

Piett မှUS

ခေတ်မီ

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

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

Arwen မှUS

ခေတ်မီ

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2709 ထဲမှ 24 ကို ပြသနေသည်