Bonding chips using inkjet printers

Today in electronics there are two main approaches to building circuits: the rigid one (silicon circuits) and the new, more appealing, flexible one based on paper and polymeric substrates that can be combined with 3-D printing. ...

Coffee-ring phenomenon explained in new theory

The formation of a simple coffee stain has been the subject of complex study for decades, though it turns out that there remain some stones still to be turned. Researchers at the University of Nevada, Reno have modeled how ...

The Ouzo Effect under the magnifying glass

Pour some water into your glass of ouzo or pastis, and the beverage will change from transparent to milky: this is the well-known 'Ouzo effect'. But what will happen if you simply place a drop of ouzo on a surface and wait? ...

Invisible ink for secret data, product and document security

Ciphers and invisible ink – many of us experimented with these when we were children. A team of Chinese scientists has now developed a clever, high-tech version of "invisible ink". As reported in the journal Angewandte ...

New conductive ink for electronic apparel

University of Tokyo researchers have developed a new ink that can be printed on textiles in a single step to form highly conductive and stretchable connections. This new functional ink will enable electronic apparel such ...

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