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Search results for 4-D printing

Optics & Photonics Jun 14, 2021

Researchers create switchable mirrors from liquid metal

Researchers have developed a way to dynamically switch the surface of liquidmetal between reflective and scattering states. This technology could one day be used to create electrically controllable mirrors or illumination ...

Space Exploration May 19, 2021

A solution to space junk: Satellites made of mushrooms?

According to the latest numbers from the ESA's Space Debris Office (SDO), there are roughly 6,900 artificial satellites in orbit. The situation is going to become exponentially crowded in the coming years, thanks to the many ...

Mathematics Mar 11, 2021

After cracking the 'sum of cubes' puzzle for 42, researchers discover a new solution for 3

What do you do after solving the answer to life, the universe, and everything? If you're mathematicians Drew Sutherland and Andy Booker, you go for the harder problem.

General Âé¶¹ÒùÔºics Mar 10, 2021

Using artificial intelligence to generate 3D holograms in real-time

Despite years of hype, virtual reality headsets have yet to topple TV or computer screens as the go-to devices for video viewing. One reason: VR can make users feel sick. Nausea and eye strain can result because VR creates ...

Nanomaterials Feb 26, 2021

Engineering the boundary between 2-D and 3-D materials

In recent years, engineers have found ways to modify the properties of some "two- dimensional" materials, which are just one or a few atoms thick, by stacking two layers together and rotating one slightly in relation to the ...

Materials Science Feb 4, 2021

Dynamic 3-D printing process features a light-driven twist

The speed of light has come to 3-D printing. Northwestern University engineers have developed a new method that uses light to improve 3-D printing speed and precision while also, in combination with a high-precision robot ...

Astronomy Feb 2, 2021

The secrets of 3000 galaxies laid bare

The complex mechanics determining how galaxies spin, grow, cluster and die have been revealed following the release of all the data gathered during a massive seven-year Australian-led astronomy research project.

Evolution Jan 27, 2021

How chromosomes evolve to create new forms of life

3-D printing is a universal process in the sense that pretty much any part that can be drawn up in a CAD program can be printed, at least within a certain resolution. Machining a part on a mill or lathe, while having the ...

Nanomaterials Jan 22, 2021

Research team extends 4-D printing to nanophotonics

The Singapore University of Technology and Design (SUTD) and its research collaborators have successfully demonstrated the four-dimensional (4-D) printing of shape memory polymers in submicron dimensions which are comparable ...

Materials Science Jan 20, 2021

3-D printing highly stretchable hydrogel with diverse UV curable polymers

Hydrogel-polymer hybrids are widely used across a variety of applications to form biomedical devices and flexible electronics. However, the technologies are presently limited to hydrogel-polymer hybrid laminates containing ...

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