མཛེས་སྡུག་དང་བདེ་ཐང

རིག་གནས་དང་ལོ་རྒྱུས

ཟས་དང་བཏུང་རྫས

ཕྱིར་འཕྲུལ་རིག

ཚན་རིག

བིལུ་པིརིན་ཊི ༦༤༠ ཡོད • ཡན་ལག་དབྱེ་རིམ ༡༡

ཡན་ལག་དབྱེ་རིམ་ལྟ་བཤེར

བིལུ་པིརིན་ཊི (༦༤༠)

Charlie གྱིས

Charlie གྱིས

Charlie གྱིས

Charlie གྱིས

Charlie གྱིས

Charlie གྱིས

Charlie གྱིས

Charlie གྱིས

Charlie གྱིས

Charlie གྱིས

Charlie གྱིས

Charlie གྱིས

Industry 2.0 — Electricity, Steel & Oil (1870)

ཚན་རིག

ཡན་ལག་དབྱེ་རིམ་ལྟ་བཤེར

ཞིང་ལས

གནའ་དངོས་རིག

རྩིས་འཕྲུལ

སྐར་ཚན་རིག

སྲོག་རིག

རྫས་རིག

འཕྲུལ་རིག

དངོས་ཁམས་རིག

སྨན

ས་ཁམས་རིག་པ།

Mathematics

བིལུ་པིརིན་ཊི (༦༤༠)

Making Prussian Blue — The First Modern Synthetic Pigment (Berlin, 1704)

Making Smalt — Grinding Cobalt Blue Glass into the Renaissance Painter's Blue Pigment

Making Traditional Gesso — The White Ground That Prepared Every Panel Painting in History

Making Vine Black Pigment — Charring Grape Vines into the Cool Blue-Black of Classical Painters

Water Gilding with Gold Leaf — Applying Gold to Gesso and Bole for a Mirror Finish

Making Chalk White Pigment (Whiting) — Grinding and Levigating Natural Chalk

Making Encaustic Paint — The Hot Beeswax Medium of Ancient Greek and Egyptian Painters

Making a Lake Pigment from Plant Dye — Precipitating Soluble Colour onto an Insoluble Substrate

Making Lampblack Pigment — Collecting Carbon Soot from a Burning Flame

Making Red Ochre by Calcining Yellow Ochre — The Oldest Deliberate Pigment Transformation

Making Ultramarine from Lapis Lazuli — Extracting the Most Precious Pigment in History

Making Verdigris — The Copper Acetate Green of Medieval Painters

Dyeing Red-Brown with Quebracho — The Industrial Tannin of South American Hardwood

Synthetic Indigo — BASF's Industrial Synthesis That Replaced a Global Crop

Whitney's Cotton Gin — Separating Seed from Fiber at Industrial Scale

Making Hide Glue by Boiling Rawhide Scraps — Prehistoric Collagen Adhesive

Building a Figure-4 Deadfall Trap — Stone Weight Trigger Mechanism

Setting a Simple Snare Trap on a Game Trail — Cordage Loop Hunting

Drying Medicinal Herbs for Winter Storage — Preserving Nature's Pharmacy

Preparing a Yarrow Wound Poultice — Prehistoric Herbal First Aid