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 ...

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 ...

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 ...

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 ...

Materials Science Jul 24, 2020

4-D printed thermite could make welding in space and combat zones easier, safer

A recent mechanical engineering doctoral graduate has created a material for welding in extreme conditions that could minimize equipment needed and operator hazards.

Materials Science Jun 9, 2020

Lab makes 4-D printing more practical

Soft robots and biomedical implants that reconfigure themselves upon demand are closer to reality with a new way to print shapeshifting materials.

Nanophysics Mar 6, 2020

Nanoscale 4-D printing technique may speed development of new therapeutics

Researchers at the Advanced Science Research Center at The Graduate Center, CUNY (CUNY ASRC) and Northwestern University have created a 4-D printer capable of constructing patterned surfaces that recreate the complexity of ...

Materials Science Sep 4, 2018

4-D printing reversible shape changing materials with light-based grayscale patterning

Reversible shape change is a highly desirable property for many biomedical applications, including mechanical actuators, soft robotics and artificial muscles. Some materials can change size or shape when irradiated with light, ...

Engineering Nov 2, 2017

Researchers achieve 4-D printing of programmable shape-changing structures

A new study describes 3D printing of Shape Memory Polymers to produce active meta-materials that can be programmed to form versatile shapes and are then able to recover their original state when heated to above their activation ...

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