A team of physicists has developed a new method of storing information in fully transparent plastic foils. Prof. Reineke and his LEXOS team work with simple plastic foils with a thickness of less than ...

Marks and Spencer has introduced invisible, ultraviolet tags on some milk bottles to track them through the recycling system. The supermarket is the first to roll out the packaging tags, developed by ...

Waitrose has expanded its partnership with recycling technology firm Polytag, launching a nationwide scheme to monitor plastic recycling. The supermarket chain is the first on the high street to ...

Marks and Spencer has become the first supermarket to introduce invisible, ultraviolet tags on some milk bottles, aiming to revolutionise how plastic packaging is tracked through the recycling system.

A 3D-printing technique can incorporate invisible tags into objects. The process could be used to create tags with the convenience of QR codes without the unsightly appearance, as well as to turn ...

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A luminescent tag, contactless printed onto a plastic foil. The light emitting layer is thinner than a human hair. The imprint can be erased and replaced by another pattern. (Image: M. Gmelch and H.

Prof. Reineke and his LEXOS team work with simple plastic foils with a thickness of less than 50 μm, which is thinner than a human hair. In these transparent plastic foils, they introduce organic ...