The Alchemy of Color and Chemical Change in Medieval Manuscripts

24문장 0% 중국어 번역 0명 참여 출처 : 칸아카데미
0 영상보기
영어 to
중국어
2단 보기 1단 보기
번역 0%

The Alchemy of Color and Chemical Change in Medieval Manuscripts발음듣기

다른 번역문 등록

Medieval manuscript artists typically made paint from colored materials ground into powder and mixed with a liquid binder.발음듣기

다른 번역문 등록

Many of the most brilliant pigments didn't come straight from nature but were made through alchemy, an experimental practice that predates modern chemistry.발음듣기

다른 번역문 등록

Beyond trying to change base metals into gold the alchemists explored how materials interacted and transformed.발음듣기

다른 번역문 등록

Discovering paint colors was a practical outcome.발음듣기

다른 번역문 등록

Alchemy embraced astrology, medicine, philosophy and mysticism.발음듣기

다른 번역문 등록

And within those contexts, colors had specific meanings.발음듣기

다른 번역문 등록

A brilliant red, vermilion, was associated with chemical change and with alchemy itself.발음듣기

다른 번역문 등록

Producing vermilion involved combining two elements, sulfur and mercury, mixed and heated until a chemical reaction occurred.발음듣기

다른 번역문 등록

When ground into powder, vermilion turns deep red.발음듣기

다른 번역문 등록

Many other vibrant pigments result from chemical transformations-- mosaic gold, produced by fusing tin and sulfur in the presence of mercury;발음듣기

다른 번역문 등록

verdigris, made by exposing copper to fumes of vinegar, wine, or even urine;발음듣기

다른 번역문 등록

And lead white, made in a process similar to verdigris but with lead.발음듣기

다른 번역문 등록

Chemical transformation doesn't just happen when a color is born.발음듣기

다른 번역문 등록

It can occur throughout the life of a pigment even centuries later, and museum researchers study it.발음듣기

다른 번역문 등록

The vivid colors of illuminations are often preserved because books are typically kept closed.발음듣기

다른 번역문 등록

But sometimes, books are left open and their pigments can fade from exposure to light.발음듣기

다른 번역문 등록

Some colors darken from exposure to atmospheric conditions others corrode.발음듣기

다른 번역문 등록

Verdigris can actually destroy the parchment or paper it's painted on.발음듣기

다른 번역문 등록

Today, chemistry deepens our knowledge about paint colors, their identification and potential transformations.발음듣기

다른 번역문 등록

Museums take preventative measures by controlling an artwork's environment and exposure to light.발음듣기

다른 번역문 등록

Sometimes, an original color can be restored as long as this is done carefully.발음듣기

다른 번역문 등록

By analyzing the chemical nature of materials scientists can visualize how a pigment may have looked when it was first created.발음듣기

다른 번역문 등록

Chemistry also reveals the astonishing knowledge that medieval alchemists and painters brought to working with color.발음듣기

다른 번역문 등록

칸아카데미 더보기더 보기

전체보기
Top