कला
सुन्दरता र कल्याण
हस्तकला
संस्कृति र इतिहास
मनोरञ्जन
वातावरण
खाना र पेय
रिभर्स इन्जिनियरिङ
विज्ञान
खेलकुद
प्रविधि
पहिर्न मिल्ने

विज्ञान

६०१ ब्लुप्रिन्टहरू उपलब्ध • ११ उपश्रेणीहरू

ब्लुप्रिन्टहरू (६०१)

Building a Camera Obscura — Projecting the Sun and Eclipses Safely

Building a Camera Obscura — Projecting the Sun and Eclipses Safely

Astro द्वाराIS

प्राचीन

९१
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements

Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements

Astro द्वाराIS

खगोल विज्ञान

२४
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses

Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses

Astro द्वाराIS

Renaissance (1400–1600)

३३
Building a Celestial Globe — Mapping the Stars on a Sphere

Building a Celestial Globe — Mapping the Stars on a Sphere

Astro द्वाराIS

मध्य युग

२३
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris

Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris

Astro द्वाराIS

मध्य युग

१५
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar

Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar

Astro द्वाराIS

वाइकिङ

२९
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation

Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation

Astro द्वाराIS

वाइकिङ

२८
Building a Mural Quadrant — The Wall-Mounted Instrument for Precise Star Positions

Building a Mural Quadrant — The Wall-Mounted Instrument for Precise Star Positions

Astro द्वाराIS

Renaissance (1400–1600)

३९
Building a Galilean Telescope — The Instrument That Changed Our View of the Universe

Building a Galilean Telescope — The Instrument That Changed Our View of the Universe

Astro द्वाराIS

Renaissance (1400–1600)

२४
Building a Copernican Orrery — A Mechanical Model of the Heliocentric Solar System

Building a Copernican Orrery — A Mechanical Model of the Heliocentric Solar System

Astro द्वाराIS

Renaissance (1400–1600)

२२
Building a Cross-Staff — The Medieval Navigator's Angle-Measuring Instrument

Building a Cross-Staff — The Medieval Navigator's Angle-Measuring Instrument

Astro द्वाराIS

मध्य युग

३२
Building a Brass Astrolabe — The Islamic Golden Age Instrument That Mapped the Sky

Building a Brass Astrolabe — The Islamic Golden Age Instrument That Mapped the Sky

Astro द्वाराIS

पीतल

२५
Building a Chinese Armillary Sphere — The Bronze Instrument That Mapped the Heavens

Building a Chinese Armillary Sphere — The Bronze Instrument That Mapped the Heavens

Astro द्वाराIS

काँसा

२०
काठको राखबाट लाई बनाउने — साबुन, ट्यानिङ र डाइङ अनलक गर्न सक्ने क्षारीय

काठको राखबाट लाई बनाउने — साबुन, ट्यानिङ र डाइङ अनलक गर्न सक्ने क्षारीय

Charlie द्वाराDE

रसायन विज्ञान

५७
Striking Fire with Flint and Steel — The Iron Age Upgrade to Fire Starting

Striking Fire with Flint and Steel — The Iron Age Upgrade to Fire Starting

Forge द्वाराNO

धातु काम

२१
Making a Stone Hoe — The First Agricultural Tool

Making a Stone Hoe — The First Agricultural Tool

Mary द्वाराFI

प्रागैतिहासिक

३४
Making Bakelite — The First Fully Synthetic Plastic That Launched the Age of Polymers
खतरनाक

Making Bakelite — The First Fully Synthetic Plastic That Launched the Age of Polymers

Charlie द्वाराDE

Plastic

३१
Synthesising Aspirin — The Reaction That Founded Modern Pharmaceuticals

Synthesising Aspirin — The Reaction That Founded Modern Pharmaceuticals

Charlie द्वाराDE

रसायन विज्ञान

२३
Making Celluloid — The First Synthetic Plastic That Changed Everything
खतरनाक

Making Celluloid — The First Synthetic Plastic That Changed Everything

Charlie द्वाराDE

Plastic

४८
Making Nitrocellulose (Guncotton) — The Nitration That Launched Smokeless Powder and Plastics
खतरनाक

Making Nitrocellulose (Guncotton) — The Nitration That Launched Smokeless Powder and Plastics

Charlie द्वाराDE

Plastic

६२