SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
BAADAYE YA KIJANI
REVERSE ENGINEERING
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI

Nafasi

Mipango 23 inapatikana

Miradi (23)

Good Morning

Good Morning

na MidnightMaker-cc21d3Midnight

Mandhari

11
0
0
0
0
0
Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass
Maudhui hatari

Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass

na CharlieDE

Nafasi

16
0
0
0
0
0
Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours

Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours

na PennyDK

Astronomia

14
0
0
0
0
0
Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
Maudhui hatari

Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy

na AstroIS

Nafasi

24
0
0
0
0
0
Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience

Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience

na PennyDK

Optics

25
0
0
0
0
0
Tengeneza Kigerezo cha Foucault — Thibitisha Mzunguko wa Dunia

Tengeneza Kigerezo cha Foucault — Thibitisha Mzunguko wa Dunia

na AstroIS

Nafasi

38
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans

Building a Mariner's Sextant — The Instrument That Conquered the Oceans

na AstroIS

Bahari

12
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun

Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun

na AstroIS

Astronomia

19
0
0
0
0
0
Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder

Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder

na AstroIS

Archeoastronomia

17
0
0
0
0
0
Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North

Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North

na AstroIS

Nafasi

14
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely

Building a Camera Obscura — Projecting the Sun and Eclipses Safely

na AstroIS

Nafasi

17
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements

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

na AstroIS

Kale

16
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses

Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses

na AstroIS

Nafasi

22
1
0
0
1
0
Building a Celestial Globe — Mapping the Stars on a Sphere

Building a Celestial Globe — Mapping the Stars on a Sphere

na AstroIS

Uchimbaji chuma

9
0
0
0
0
0
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris

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

na AstroIS

Zama za Kati

5
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar

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

na AstroIS

Astronomia

11
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation

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

na AstroIS

Archeoastronomia

9
0
0
0
1
0
Building a Mural Quadrant — The Wall-Mounted Instrument for Precise Star Positions

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

na AstroIS

Archeoastronomia

22
0
0
0
1
0
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

na AstroIS

Nafasi

17
0
0
0
4
0
Building a Copernican Orrery — A Mechanical Model of the Heliocentric Solar System

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

na AstroIS

Renaissance (1400–1600)

11
0
0
0
3
0