KUNST
SCHÖNHEIT & WELLNESS
HANDWERK
KULTUR & GESCHICHTE
UNTERHALTUNG
UMFELD
ESSEN & GETRÄNKE
REVERSE ENGINEERING
WISSENSCHAFTEN
SPORT
TECHNOLOGIE
WEARABLES
Optik
44 Blaupausen verfügbar
Blaupausen (44)
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
von Astro
Messing
52
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely
von Astro
Uralt
811
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
von Astro
Astronomie
30
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
von Astro
Renaissance (1400–1600)
56
1
0
0
2
0