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Mga Blueprint (2,499)
Mapanganib
Making Tin-Lead Solder — The Ancient Alloy That Joins Metals Without a Forge
ni Peter
Sinauna
56
0
0
0
3
0
Bumuo ng Foucault Pendulum — Patunayan ang Pag-ikot ng Daigdig
ni Astro
Moderno
132
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans
ni Astro
Moderno
83
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
ni Astro
Renaissance (1400–1600)
76
0
0
0
0
0
Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
ni Astro
Gitnang Panahon
74
0
0
0
0
0
Pagbuo ng Merkhet — Ang Sinaunang Egyptian na Instrumento sa Pagdaan ng Bituin para sa Paghahanap ng Totoong Hilaga
ni Astro
Mga Ehipsiyo
257
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely
ni Astro
Sinauna
859
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
ni Astro
Astronomiya
55
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
ni Astro
Renaissance (1400–1600)
109
1
0
0
2
0
Building a Celestial Globe — Mapping the Stars on a Sphere
ni Astro
Gitnang Panahon
59
0
0
0
0
0
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
ni Astro
Gitnang Panahon
64
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
ni Astro
Mga Viking
69
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
ni Astro
Mga Viking
71
0
0
0
1
0
Building a Mural Quadrant — The Wall-Mounted Instrument for Precise Star Positions
ni Astro
Renaissance (1400–1600)
82
0
0
0
1
0
Building a Galilean Telescope — The Instrument That Changed Our View of the Universe
ni Astro
Renaissance (1400–1600)
73
0
0
0
4
0
Building a Copernican Orrery — A Mechanical Model of the Heliocentric Solar System
ni Astro
Renaissance (1400–1600)
85
0
0
0
3
0
Building a Cross-Staff — The Medieval Navigator's Angle-Measuring Instrument
ni Astro
Gitnang Panahon
109
0
0
0
6
0
Building a Brass Astrolabe — The Islamic Golden Age Instrument That Mapped the Sky
ni Astro
Sinauna
93
0
0
0
7
0
Building a Chinese Armillary Sphere — The Bronze Instrument That Mapped the Heavens
ni Astro
Sinauna
103
0
0
0
3
0
Gumawa ng Alkali mula sa Ashes ng Kahoy
ni Charlie
Kemistri
140
0
0
0
0
0
Striking Fire with Flint and Steel — The Iron Age Upgrade to Fire Starting
ni Forge
Paggawa ng Metal
50
0
0
0
0
0
Making a Stone Hoe — The First Agricultural Tool
ni Mary
Prehistoriko
78
0
0
0
0
0
Mapanganib
Making Bakelite — The First Fully Synthetic Plastic That Launched the Age of Polymers
ni Charlie
Industriyal
65
0
0
0
1
0
Synthesising Aspirin — The Reaction That Founded Modern Pharmaceuticals
ni Charlie
Industriyal
60
0
0
0
1
0
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