SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
BAADAYE YA KIJANI
REVERSE ENGINEERING
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
MichoroSAYANSI
SAYANSI
Mipango 383 inapatikana • Vijamii 11
Vinjari Vijamii
Miradi (383)
Maudhui hatari
Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass
na Charlie
Fizikia
22
0
0
0
0
0
Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours
na Penny
Renaissance (1400–1600)
19
0
0
0
0
0
Maudhui hatari
Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
na Astro
Optics
28
0
0
0
0
0
Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience
na Penny
Renaissance (1400–1600)
33
0
0
0
0
0
Maudhui hatari
Making Tin-Lead Solder — The Ancient Alloy That Joins Metals Without a Forge
na Peter
Kale
25
0
0
0
0
0
Tengeneza Kigerezo cha Foucault — Thibitisha Mzunguko wa Dunia
na Astro
Fizikia
47
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans
na Astro
Bahari
21
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
na Astro
Nafasi
31
0
0
0
0
0
Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
na Astro
Bahari
22
0
0
0
0
0
Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North
na Astro
Astronomia
18
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely
na Astro
Kale
23
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
na Astro
Kale
20
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
na Astro
Utengenezaji mbao
29
1
0
0
1
0
Building a Celestial Globe — Mapping the Stars on a Sphere
na Astro
Zama za Kati
17
0
0
0
0
0
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
na Astro
Astronomia
9
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
na Astro
Astronomia
24
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
na Astro
Nafasi
24
0
0
0
1
0
Building a Mural Quadrant — The Wall-Mounted Instrument for Precise Star Positions
na Astro
Archeoastronomia
33
0
0
0
1
0
Building a Galilean Telescope — The Instrument That Changed Our View of the Universe
na Astro
Astronomia
18
0
0
0
4
0
Building a Copernican Orrery — A Mechanical Model of the Heliocentric Solar System
na Astro
Astronomia
18
0
0
0
3
0