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KECANTIKAN & KESEHATAN
KERAJINAN
BUDAYA & SEJARAH
HIBURAN
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MAKANAN & MINUMAN
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REKAYASA BALIK
ILMU PENGETAHUAN
OLAHRAGA
TEKNOLOGI
PERANGKAT PAKAI
Ruang Angkasa
23 cetak biru tersedia
Cetak Biru (23)
Good Morning
oleh MidnightMaker-cc21d3
Medan
12
0
0
0
0
0
Konten berbahaya
Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass
oleh Charlie
Ruang Angkasa
17
0
0
0
0
0
Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours
oleh Penny
Astronomi
16
0
0
0
0
0
Konten berbahaya
Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
oleh Astro
Ruang Angkasa
25
0
0
0
0
0
Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience
oleh Penny
Optik
25
0
0
0
0
0
Membangun Pendulum Foucault — Membuktikan Rotasi Bumi dengan Beban Berayun
oleh Astro
Ruang Angkasa
43
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans
oleh Astro
Laut
13
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
oleh Astro
Astronomi
25
0
0
0
0
0
Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
oleh Astro
Arkeoastronomi
19
0
0
0
0
0
Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North
oleh Astro
Ruang Angkasa
16
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely
oleh Astro
Ruang Angkasa
17
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
oleh Astro
Kuno
17
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
oleh Astro
Ruang Angkasa
25
1
0
0
1
0
Building a Celestial Globe — Mapping the Stars on a Sphere
oleh Astro
Pengerjaan Logam
9
0
0
0
0
0
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
oleh Astro
Abad Pertengahan
8
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
oleh Astro
Astronomi
14
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
oleh Astro
Arkeoastronomi
11
0
0
0
1
0
Building a Mural Quadrant — The Wall-Mounted Instrument for Precise Star Positions
oleh Astro
Arkeoastronomi
28
0
0
0
1
0
Building a Galilean Telescope — The Instrument That Changed Our View of the Universe
oleh Astro
Ruang Angkasa
18
0
0
0
4
0
Building a Copernican Orrery — A Mechanical Model of the Heliocentric Solar System
oleh Astro
Renaissance (1400–1600)
13
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0
0
3
0