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  • New study shows people used natural dyes to colour their clothing thousands of years ago

    Even thousands of years ago people wore clothing with colourful patterns made from plant and animal-based dyes. Chemists from Martin Luther University Halle-Wittenberg (MLU) have created new analytical methods to examine textiles from China and Peru that are several thousand years old. In the scient more

  • That's 'sew' smart!

    Tufts University engineers have developed a novel fabrication method to create dyed threads that change color when they detect a variety of gases. The researchers demonstrated that the threads can be read visually, or even more precisely by use of a smartphone camera, to detect changes of color due more

  • Self-assembling nanomaterial a pathway to more efficient, affordable harnessing of solar power

    Solar rays are a plentiful, clean source of energy that is becoming increasingly important as the world works to shift away from power sources that contribute to global warming. But current methods of harvesting solar charges are expensive and inefficient--with a theoretical efficiency limit of 33 p more

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The Chemistry of Highlighter Colours

If you’re currently a student, then you’ll no doubt often make ample use of highlighters during revision. Even if your studying days are far behind, you probably still use them from time to time. But what are the chemicals behind their luminous colours? This graphic looks at some of the possible dye more

The Chemistry of Glow Sticks

Everyone’s familiar with glow sticks, but it’s likely that fewer are familiar with the chemistry behind their glow. You may have wondered what happens when you snap a glow stick to activate it; by doing this, you’re actually kicking off a chemical process that eventually leads to the production of t more

The Key Chemicals in Red Wine

Red wine has been espoused over the years for its supposed health benefits, from claims that it could let us live to 150, to assertions that chemicals within it can help prevent cancer. Whilst these are no doubt a very pleasant means to justify a glass of wine (or several), how correct are they? Sim more

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Definition

Fuel dyes

Fuel dyes Fuel dyes are dye s added to fuel s, as in some countries it is required by law to dye a low-tax fuel to deter its use in applications intended for higher-taxed ones. Untaxed fuels are referred to as "dyed", while taxed ones are called ... more

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