From experiments lately made by a Frencb chemist, it appears that the Chinese possess a green vegetable dye, unknown to the rest of the world, which is used for dyeing calicoes, &c. Tbe first ...

Easter is on April 20th and many will be celebrating with traditional activities like dyeing eggs. Instead of buying a dyeing ...

Chemists from Würzburg and Seoul have taken this one step further: They have synthesized a stack of dyes that comes very close to the photosynthetic apparatus of plants. It absorbs light energy ...