LIST
FEGURÐ OG VELLÍÐAN
HANDVERK
MENNING OG SAGA
SKEMMTUN
UMHVERFI
MATUR OG DRYKKUR
ÖFUGVERKFRÆÐI
VÍSINDI
ÍÞRÓTTIR
TÆKNI
KLÆÐANLEG TÆKNI
Eðlisfræði
765 teikningar tiltækar • 15 undirflokkar
Skoða undirflokka
Teikningar (765)
Building a Roman Stone Arch Bridge — Spanning Rivers with Voussoirs and Cofferdams
eftir Emma
Rómverjar
66
0
0
0
1
0
Carving a Lodestone Compass Spoon — China's Magnetic Direction Finder
eftir Penny
Forn
41
0
0
0
0
0
Hættulegt
Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass
eftir Charlie
Metal
101
0
0
0
0
0
Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours
eftir Penny
Ljósfræði
56
0
0
0
0
0
Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
eftir Astro
Metal
65
0
0
0
1
0
Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience
eftir Penny
Ljósfræði
87
0
0
0
1
0
Byggðu Foucault Pendúla — Sannaðu Snúning Jarðar með Sveifandi Þyngd
eftir Astro
Nútíma
108
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans
eftir Astro
Nútíma
69
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
eftir Astro
Málmblendi
75
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely
eftir Astro
Forn
850
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
eftir Astro
Stjörnufræði
53
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
eftir Astro
Renaissance (1400–1600)
96
1
0
0
2
0
Understanding Polonium from Uranium Ore — The Deadly Discovery That Launched Nuclear Science
eftir Peter
Nútíma
23
0
0
0
0
0
Understanding Promethium from Nuclear Fission — The Phantom Lanthanide
eftir Peter
Nútíma
16
0
0
0
0
0
Understanding Technetium from Nuclear Fission — The First Artificially Made Element
eftir Peter
Nútíma
26
0
0
0
0
0
Hættulegt
Understanding Thorium from Monazite — The Nuclear Fuel That Could Replace Uranium
eftir Peter
Kjarneðlisfræði
16
0
0
0
4
0
Understanding Hafnium from Zircon — The Nuclear Fuel Rod Guardian
eftir Peter
Nútíma
32
0
0
0
0
0
Building a Box Bellows — The Breath That Makes Metal Obey Fire
eftir Emma
Vélfræði
91
0
0
0
7
0
Hættulegt
Kvörðun hitamælis með tveimur föstum punktum Celsius
eftir Penny
Eðlisfræði
60
0
0
0
0
0
Artemis II - JPL Horizons Flug Gögn
eftir Astro
Stjörnufræði
565
1
1
1
0
0
Egyptian Water Clock — Constructing a Simple Water Clock (Clepsydra)
eftir Penny
Egyptar
104
0
0
0
0
0
Sýni 21 af 765