Search results for 4-D polymers

Nanomaterials Mar 17, 2015

A better method for making perovskite solar cells

Research led by a Brown University Ph.D. student has revealed a new way to make light-absorbing perovskite films for use in solar cells.

Materials Science Mar 6, 2015

Researchers spin cotton into capacitive yarn

While the pattern for making a wearable fabric battery has already been laid out, it's now time to select the threads that will turn a textile into an energy storage device. That process is being driven by Drexel University ...

Energy & Green Tech Dec 23, 2014

Airplanes finally go hybrid-electric

An aircraft with a parallel hybrid engine – the first ever to be able to recharge its batteries in flight – has been successfully tested in the UK, an important early step towards cleaner, low-carbon air travel.

Engineering Dec 19, 2014

Explainer: What is 4-D printing?

Additive manufacturing – or 3D printing – is 30 years old this year. Today, it's found not just in industry but in households, as the price of 3D printers has fallen below US$1,000. Knowing you can print almost anything, ...

Engineering Dec 19, 2014

3-D-printable materials deform to change surface area, enabling curvature rather than rigid folding

Today's 3-D printers, in which devices rather like inkjet-printer nozzles deposit materials in layers to build up physical objects, are a great tool for designers building prototypes or small companies with limited product ...

Materials Science Dec 2, 2014

New chemical sponge has potential to lessen the carbon footprint of oil industry

UK scientists have discovered a ground-breaking technique with the potential to dramatically reduce the amount of energy used in the refinement of crude oil.

Materials Science Oct 13, 2014

Novel chemistry turns conventional polymers into biomedical supermaterials

Biomaterials are crucial to the development of many modern medical devices and products including biodegradable sutures, bone screws, pins, rods and plates, and scaffolds for regenerating bone, cartilage and blood vessels; ...

Energy & Green Tech Sep 22, 2014

Imec demonstrates organic photovoltaics modules showing excellent optical properties, high efficiencies

At this week's European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC 2014), nanoelectronics research center imec presents a fullerene-free organic photovoltaic (OPV) module of 160cm2 achieving a conversion ...

Biochemistry Sep 10, 2014

Human nasal epithelial cells cultured on a microchip react to air pollutants

The upper respiratory tract is the first line of defense against air pollutants, including allergens, bacteria and environmental toxicants. Finger-like protrusions called cilia on the surface of the human mucous membrane, ...

Materials Science Aug 12, 2014

Patent solution in a canning jar

From shopping bags to shampoo bottles to plastic watering cans – many everyday objects both large and small might look very different if it hadn't been for the invention of chemist and Max Planck researcher Karl Ziegler. ...

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