How Tree Bark Becomes Hanji: The Different Roles of Fiber and Mucilage
Paper mulberry supplies fiber, while dakpul helps control dispersion and drainage. Follow sheet formation, drying, and dochim to see how traditional hanji takes shape.
Does Fog Form Only at Night? Clear Nights, Cold Seas and Warm Water
Radiation, advection and steam fog can look similar but form through different processes. Read fog through air and surface temperatures and the movement of water… Read More »Does Fog Form Only at Night? Clear Nights, Cold Seas and Warm Water
Why Does Indigo Dyeing Need Air to Turn Blue?
How does water-insoluble indigo color a cloth? Follow reduction in the vat, oxidation in air, and the craft decisions that leave white patterns in blue… Read More »Why Does Indigo Dyeing Need Air to Turn Blue?
The smell of rain is not one smell — three layers, arriving in turn
Distilled water has no smell. And yet we smell rain. What we call “the smell of rain” is not one substance but three separate signals… Read More »The smell of rain is not one smell — three layers, arriving in turn
Why a cabbage spreads its outer leaves and wraps its inner ones
Pick up a head of napa cabbage and the outer leaves have opened away while the inner ones wrap each other. The reason is that… Read More »Why a cabbage spreads its outer leaves and wraps its inner ones
Cool It Slowly and It Cracks: Bangjja Yugi’s Quench Runs Opposite to Steel
Copper 78 percent, tin 22 percent — more than twice what modern engineering recommends — heated until it glows and beaten with a hammer. Steel… Read More »Cool It Slowly and It Cracks: Bangjja Yugi’s Quench Runs Opposite to Steel