Search results for 4-D printing

Optics & Photonics Jun 3, 2024

New 3D-printed microscale photonic lantern opens opportunities for spatial mode multiplexing

Optical waves propagating through air or multi-mode fiber can be patterned or decomposed using orthogonal spatial modes, with far-ranging applications in imaging, communication, and directed energy. Yet the systems that perform ...

Nanophysics May 9, 2024

Researchers discover optimal conditions for mass production of ultraviolet holograms

Researchers have delved into the composition of nanocomposites for ultraviolet metasurface fabrication and determined the ideal printing material for crafting them. Their findings are featured in the journal Microsystems ...

Astrobiology May 7, 2024

What can early Earth teach us about the search for life?

Earth is the only life-supporting planet we know of, so it's tempting to use it as a standard in the search for life elsewhere. But the modern Earth can't serve as a basis for evaluating exoplanets and their potential to ...

Other Apr 15, 2024

Study sheds light on 11th-century Arab-Muslim optical scientist whose work laid foundation for modern-day physics

Scientists from the University of Sharjah and the Warburg Institute are poring over the writings of an 11th-century Arab-Muslim polymath to demonstrate their impact on the development of optical sciences and how they have ...

Astronomy Apr 4, 2024

Researchers use the Dark Energy Spectroscopic Instrument to make the largest 3D map of our universe

With 5,000 tiny robots in a mountaintop telescope, researchers can look 11 billion years into the past. The light from far-flung objects in space is just now reaching the Dark Energy Spectroscopic Instrument (DESI), enabling ...

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 ...

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