Search results for 4-D printing

Materials Science Mar 13, 2024

New high-speed microscale 3D printing technique

3D-printed microscopic particles, so small that to the naked eye they look like dust, have applications in drug and vaccine delivery, microelectronics, microfluidics, and abrasives for intricate manufacturing. However, the ...

Cell & Microbiology Mar 6, 2024

A universal tool for tracking cell-to-cell interactions

One of the fundamental goals of basic biology is understanding how diverse cell types work in concert to form tissues, organs, and organ systems. Recent efforts to catalog the different cell types in every tissue in our bodies ...

Polymers Dec 22, 2023

Swift 4-D printing with shape-memory polymers

Shape-memory polymers or shape-shifting materials are smart materials that have gained significant attention within materials science and biomedical engineering in recent years to build smart structures and devices. Digital ...

Planetary Sciences Nov 27, 2023

What would happen to Earth if a rogue star came too close?

Stars are gravitationally fastened to their galaxies and move in concert with their surroundings. But sometimes, something breaks the bond. If a star gets too close to a supermassive black hole, for example, the black hole ...

Mathematics Oct 31, 2023

The math problem that took nearly a century to solve

We've all been there: staring at a math test with a problem that seems impossible to solve. What if finding the solution to a problem took almost a century? For mathematicians who dabble in Ramsey theory, this is very much ...

Planetary Sciences Oct 23, 2023

An unusual crater on Pluto might be a supervolcano

Pluto with a super-cryovolcano? Why not! All the elements are there, just not in the way we normally think of volcanoes. And cryovolcanoes are the reason why Pluto's surface looks the way it does. A recent research paper ...

Nanomaterials Oct 10, 2023

Record-high 3D printing rate reached by acousto-optical scanning

Professor Wei Xiong's group, from the Wuhan National Laboratory for Optoelectronics at Huazhong University of Science and Technology, proposes a pioneering high-speed multi-photon polymerization lithography technique with ...

Social Sciences Sep 28, 2023

Juries that don't understand forensic science can send innocent people to prison. A short training video could help

Ledura Watkins was 19 years old when he was accused of murdering a public school teacher. At trial, a forensic expert testified that a single hair found at the scene was similar to Watkins' and stated his conclusion was based ...

Planetary Sciences Sep 26, 2023

Gaia is now finding planets—could it find another Earth?

The ESA launched Gaia in 2013 with one overarching goal: to map more than one billion stars in the Milky Way. Its vast collection of data is frequently used in published research. Gaia is an ambitious mission, though it seldom ...

Astronomy Aug 28, 2023

New supernova remnant detected with ASKAP

Using the Australian Square Kilometer Array Pathfinder (ASKAP), an international team of astronomers has serendipitously detected a new Galactic supernova remnant (SNR), which received designation SNR G288.8–6.3. The finding ...

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