It was found that the onion-dye film performed best, blocking 99.9% of UV light with a wavelength of up to 400 nanometers. That said, it still allowed over 80% of visible light transmission at longer ...

When it comes to decorating Easter eggs, there are plenty of pretty amazing, craft-tastic Easter egg ideas online, making it entirely possible to devote days to creating museum-quality masterpieces.

In the picture, a film dyed with red onion skin extract and dye-sensitised solar cells. The films were placed on top of the solar cells in the study. Researchers at the University of Turku, Finland, ...

With Easter just a couple of weeks away, many families are planning to engage in the longtime tradition of dying hard boiled eggs. An April 2 class held at Stony Creek Metropark taught children and ...

Like most people, I grew up on Paas eggs, glowing with chemical dyes and artificial colors. My memories are vivid: the sulphuric smell of boiled eggs, the sharp hit of vinegar in my nostrils, the ...

Around his time last year, we showed you how to brighten up your Easter eggs with natural dye made from ingredients like beets, cabbage, saffron, and turmeric. Which, compared to going out and buying ...

This article originally appeared on Modern Farmer. Back to the land — it’s officially back. Magazines, conferences and books devoted to the DIY ethos abound. But learning practical skills doesn’t have ...

To learn about the chemical pigments of some plant-based dyes. Ask students to name some different plants or plant parts they think could be used to make dye. Discuss dyes and how inks can be made ...

Red onion dye could be the missing ingredient required to bolster ultraviolet (UV) protection for solar cells, scientists say. Solar cells are typically coated with a petroleum-based film to protect ...