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ProgettiCULTURA E STORIA
CULTURA E STORIA
1462 progetti disponibili • 3 sottocategorie
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Progetti (1462)
Plantain Leaf Poultice — The Universal Wound Herb Found on Every Continent
di Bob
Preistorico
77
0
0
0
1
0
Chamomile Tea as Medicine — The Ancient Flower Infusion for Calm and Digestion
di Bob
Preistorico
36
0
0
0
5
0
Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass
di Charlie
Metal
43
0
0
0
0
0
Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours
di Penny
Ottica
29
0
0
0
0
0
Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience
di Penny
Ottica
42
0
0
0
1
0
Pericoloso
Making Tin-Lead Solder — The Ancient Alloy That Joins Metals Without a Forge
di Peter
Metal
33
0
0
0
0
0
Costruire un Pendolo di Foucault — Provare la Rotazione della Terra con un Peso Oscillante
di Astro
Moderno
70
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans
di Astro
Moderno
25
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
di Astro
Ottone
45
0
0
0
0
0
Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
di Astro
Medioevo
35
0
0
0
0
0
Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North
di Astro
Egiziani
76
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely
di Astro
Antico
790
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
di Astro
Astronomia
25
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
di Astro
Renaissance (1400–1600)
38
1
0
0
2
0
Building a Celestial Globe — Mapping the Stars on a Sphere
di Astro
Medioevo
23
0
0
0
0
0
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
di Astro
Medioevo
19
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
di Astro
Vichinghi
33
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
di Astro
Vichinghi
30
0
0
0
1
0
Building a Mural Quadrant — The Wall-Mounted Instrument for Precise Star Positions
di Astro
Renaissance (1400–1600)
41
0
0
0
1
0
Building a Galilean Telescope — The Instrument That Changed Our View of the Universe
di Astro
Renaissance (1400–1600)
29
0
0
0
4
0