- Magic mug
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A magic mug is a mug that, when filled with a hot liquid, changes colour. This effect is created by using a special oxidized ink.[1]
These mugs are often manufactured and sold as memorabilia. For example, a mug may reveal a picture of the town or monument where it was sold. They are sometimes given away to promote organisations.[2] Customers can also have their own photographs printed on the mugs.[3]
References
- ^ "Paris Opera Rises on Bunker Hill Setting the stage for opening of `The Phantom'", Janice Arkatov, LA Times, 30 April 1989
- ^ "Going back to the Plaid future", BBC News, 23 September 2006
- ^ "Coloured printing on ceramic launched", Indian Express Newspapers (Mumbai) Ltd., 19 June 2008
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