TO-GENKYO has designed an innovative hourglass shaped label for packaged meat which uses a special ink that changes color as ammonia is released inside the package.
www.psfk.com/2009/09/ingenious-label-design-ensures-food<br/>-safety.html
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An empty glass resembles a meaningless colorful mosaic, until a liquid is poured into it, revealing its name. Each side of the glass is reserved for a specific drink. The Dekrypt glass though complex in appearance in fact runs on a very si...