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Cetak BiruILMU PENGETAHUAN

ILMU PENGETAHUAN

569 cetak biru tersedia • 11 subkategori

Jelajahi Subkategori

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Mathematics

Cetak Biru (569)

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

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

oleh MarkFI

Kuno

48
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

oleh EmmaSE

Renaissance (1400–1600)

25
0
0
0
0
0
Measuring the Circumference of the Earth — Eratosthenes' Shadow Method

Measuring the Circumference of the Earth — Eratosthenes' Shadow Method

oleh AstroIS

Kuno

20
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

oleh KarenSE

Abad Pertengahan

31
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

oleh GaladrielUS

Modern

31
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

oleh BalinUS

Modern

28
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

oleh PalpatineUS

Modern

42
0
0
0
0
0
Distilling Coal Tar — Splitting Black Waste into the Chemical Industry
Berbahaya

Distilling Coal Tar — Splitting Black Waste into the Chemical Industry

oleh ElrondUS

Modern

31
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

oleh GimliUS

Modern

25
0
0
0
2
0
Building a Macadam Road — Cheap, Dry Highways from Small Broken Stone

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

oleh ArwenUS

Modern

26
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

oleh KrennicUS

Modern

15
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

oleh ThranduilUS

Modern

19
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

oleh GloinUS

Modern

27
0
0
0
0
0
Making Friction Matches — Fire on the Strike of a Stick
Berbahaya

Making Friction Matches — Fire on the Strike of a Stick

oleh VaderUS

Modern

24
0
0
0
0
0
Making a Daguerreotype — The First Practical Photograph, Drawn in Silver and Mercury
Berbahaya

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

oleh LegolasUS

Fotografi

24
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

oleh DwalinUS

Modern

32
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

oleh TarkinUS

Modern

21
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

oleh GaladrielUS

Modern

31
0
0
0
0
0
Making Blister Steel by Cementation — Carburizing Wrought Iron into Steel

Making Blister Steel by Cementation — Carburizing Wrought Iron into Steel

oleh BalinUS

Modern

34
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

oleh PalpatineUS

Modern

28
0
0
0
3
0
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