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The birth of (synthetic) dyeing article icon

History & The Arts 

The birth of (synthetic) dyeing

Today, the world’s dyestuffs industry produces around 500,000 tonnes of synthetic dye each year. It’s come a long way since William Henry Perkins discovered mauve.

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Separate coloured ink with this experiment article icon

Science, Maths & Technology 

Separate coloured ink with this experiment

Did you know your black biro isn't black and your green felt tip isn't green? Don't believe this? Try this chromatography experiment.

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Copyrighted  image Icon Copyright: Michal Zduniak | Dreamstime.com
The colour of stars article icon

Science, Maths & Technology 

The colour of stars

Ever wondered why some stars appear slightly blue and others red? Looking at the life cycle of a star will explain why...

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Copyrighted  image Icon Copyright: Markwaters | Dreamstime.com
Why were David Bowie's eyes two different colours? article icon

Science, Maths & Technology 

Why were David Bowie's eyes two different colours?

The short answer is that they weren't - but there's a lot more to it than that. Kevin Hunt explains.

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Creative commons image Icon Scorpions and Centaurs under Creative Commons BY-NC-SA 4.0 license
Why are black and white cats black and white? And why are there piebald horses? article icon

Science, Maths & Technology 

Why are black and white cats black and white? And why are there piebald horses?

Striped ponies and tuxedo cats might look gorgeous - but the mutation is a mild form of a much more serious cellular defect...

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Colour fastness article icon

Money & Business 

Colour fastness

What does a t shirt have to put up with in daily life and how do colours survive the wash? Andrew Filarowski, Deputy Chief Executive of the Society of Dyers and Colourists, takes a look at colour fastness.

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Preparation dyeing and finishing article icon

Money & Business 

Preparation dyeing and finishing

The look and feel of a t-shirt is important to consumers, and there are some key methods used to ensure that they are appealing. Andrew Filarowski explains what these entail.

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Copyrighted  image Icon Copyright: Jake Leong Chee Ong | Dreamstime.com
Over the rainbow: Colour in culture and everyday life article icon

History & The Arts 

Over the rainbow: Colour in culture and everyday life

Different colours can hold various connotations in culture, language and society. Delve through our range of colours exploring colours and what they mean. 

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Copyrighted  image Icon Copyright: BBC

Science, Maths & Technology 

Colour: The Spectrum of Science

Go beyond the rainbow in this OU/BBC series that delves into colour, how it works and how it has written the story of our planet.

Creative commons image Icon Gossamer1013 under CC-BY-NC-ND licence under Creative-Commons license
Strange coloured teeth; strange coloured bones article icon

Science, Maths & Technology 

Strange coloured teeth; strange coloured bones

Are bones and teeth always white? Not always...

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Colour in Byzantine Art article icon

History & The Arts 

Colour in Byzantine Art

What purpose do different colours serve in religious paintings? Dr Angeliki Lymberopoulou explores...

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Creative commons image Icon The Open University under Creative Commons BY-NC-SA 4.0 license
Speak in colours! article icon

Languages 

Speak in colours!

What does 'rire jaune' or 'avoir un bleu' mean? Learn French idioms that use colour to convey a particular mood or impression of a person or situation. 

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