Search results for 4-D printing

Materials Science Apr 22, 2019

Working out makes hydrogels perform more like muscle

Human skeletal muscles have a unique combination of properties that materials researchers seek for their own creations. They're strong, soft, full of water, and resistant to fatigue. A new study by MIT researchers has found ...

Engineering Apr 3, 2019

Two-armed 3-D printing

Twin robotic arms work together as part of a project to construct what will be the largest, most complex object ever 3-D printed in titanium: a test version of the 3-m diameter 'optic bench' at the heart of ESA's Athena X-ray ...

Nanophysics Mar 26, 2019

New 3-D printing approach makes cell-scale lattice structures

A new way of making scaffolding for biological cultures could make it possible to grow cells that are highly uniform in shape and size, and potentially with certain functions. The new approach uses an extremely fine-scale ...

Materials Science Mar 22, 2019

4-D-printed materials can be stiff as wood or soft as sponge

Imagine smart materials that can morph from being stiff as wood to as soft as a sponge—and also change shape.

Hi Tech & Innovation Mar 20, 2019

Smart glove for Industry 4.0: Connecting the physical hand to the virtual world

Researchers at Saarland University have created an ultrathin flexible film that can act as a sensor for innovative technologies. Integrated within a glove, the new sensory film can communicate the current position of the ...

Materials Science Mar 5, 2019

Scientists develop printable water sensor

A new, versatile plastic-composite sensor can detect tiny amounts of water. The 3-D printable material, developed by a Spanish-Israeli team of scientists, is cheap, flexible and non-toxic and changes its colour from purple ...

Condensed Matter Feb 27, 2019

Engineers make clear droplets produce iridescent colors

Engineers at MIT and Penn State University have found that under the right conditions, ordinary clear water droplets on a transparent surface can produce brilliant colors, without the addition of inks or dyes.

Optics & Photonics Feb 22, 2019

Engineering wave reflections with power flow-conformal metamirrors

Metasurfaces are two-dimensional (2-D) metamaterials that can control scattering waves of a light beam. Their applications include thin-sheet polarizers, beam splitters, beam steerers and lenses. These structures can control ...

General Physics Feb 13, 2019

Multimaterial 3-D laser microprinting using an integrated microfluidic system

Complex, three-dimensional (3-D) structures are regularly constructed using a reliable commercial method of 3-D laser micro- and nanoprinting. In a recent study, Frederik Mayer and co-workers in Germany and Australia have ...

Materials Science Feb 7, 2019

Bioplotting bone-mimetic 3-D tissue scaffolds with osteogenic effects

In bone tissue engineering (BTE), 3-D printing is a reliable and customizable method used to repair bone defects by producing biomimetic tissue scaffolds. In a recent study published online on Tissue Engineering Part A (Mary ...

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