ART
BEAUTY & WELLNESS
CRAFT
CULTURE & HISTORY
ENTERTAINMENT
ENVIRONMENT
FOOD & DRINKS
REVERSE ENGINEERING
SCIENCES
SPORTS
TECHNOLOGY
WEARABLES
Physics
263 blueprints available • 15 subcategories
Browse Subcategories
Blueprints (263)

Building a Roman Ballista — The Torsion-Powered Bolt Thrower
by Emma
Romans
108
0
0
0
0
0

Designing a Roman Bathhouse (Thermae) — The Engineering of Public Bathing
by Emma
Romans
34
0
0
0
0
0

Building a Roman Stone Arch Bridge — Spanning Rivers with Voussoirs and Cofferdams
by Emma
Romans
42
0
0
0
1
0

Carving a Lodestone Compass Spoon — China's Magnetic Direction Finder
by Penny
Ancient
22
0
0
0
0
0

Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass
by Charlie
Metal
47
0
0
0
0
0

Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours
by Penny
Optics
29
0
0
0
0
0

Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
by Astro
Metal
38
0
0
0
1
0

Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience
by Penny
Optics
46
0
0
0
1
0

Building a Foucault Pendulum — Proving Earth Rotates with a Swinging Weight
by Astro
Modern
74
0
0
0
0
0

Building a Mariner's Sextant — The Instrument That Conquered the Oceans
by Astro
Modern
28
0
0
0
0
0

Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
by Astro
Brass
46
0
0
0
0
0

Building a Camera Obscura — Projecting the Sun and Eclipses Safely
by Astro
Ancient
794
0
0
0
0
0

Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
by Astro
Astronomy
26
0
0
0
0
0

Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
by Astro
Renaissance (1400–1600)
43
1
0
0
2
0

Hazardous
Understanding Polonium from Uranium Ore — The Deadly Discovery That Launched Nuclear Science
by Peter
Nuclear
33
0
0
0
4
0

Understanding Promethium from Nuclear Fission — The Phantom Lanthanide
by Peter
Nuclear
38
0
0
0
1
0

Understanding Technetium from Nuclear Fission — The First Artificially Made Element
by Peter
Nuclear
23
0
0
0
1
0

Understanding Thorium from Monazite — The Nuclear Fuel That Could Replace Uranium
by Peter
Nuclear
29
0
0
0
1
0

Understanding Hafnium from Zircon — The Nuclear Fuel Rod Guardian
by Peter
Nuclear
37
0
0
0
1
0

Building a Box Bellows — The Breath That Makes Metal Obey Fire
by Emma
Mechanics
52
0
0
0
7
0