MXene opens way to futuristic shape-shifting speakers
Researchers developed an ultra-thin, shape-changing speaker using advanced nanomaterials like MXene. It may allow seamlessly embedding speakers into clothing and objects.
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New 4D-printed generator makes water droplets more powerful
Researchers have created a new type of electricity generator that uses falling water droplets more efficiently, thanks to groundbreaking 4D printing techniques.
Advancing memory devices with high-entropy oxides
Researchers developed resistive random access memory using high-entropy oxides, advancing memory devices with improved performance, efficiency and reliability.
Power-free contact lenses use color-coded tears for diabetes tracking
New smart contact lenses detect glucose levels in tears via simple color changes, eliminating electronics. Early research shows excellent accuracy in a self-contained system needing only occasional photo documentation.
Reusable nanostructured fibers may boost sustainability of photocatalytic water treatment
Researchers developed reusable titanium dioxide-based photocatalytic fibers decorated with gold nanoparticles, which showed exceptional ability in degrading water pollutants under UV light compared to commercial nanopowders. The innovation highlights the potential of rational fiber material design to improve efficiency and sustainability of photocatalysts for real-world water purification.
Overcoming limitations of hydrogel actuators with graphene microtubes
Researchers incorporate graphene microtubes into hydrogel actuators, achieving up to 400% faster response and 4000% higher stress without sacrificing strength. The nanoengineered hydrogels enable untethered light and electrical control, overcoming key limitations to expand possibilities in soft robotics and biomedical devices.
Graphene lenses focus light into spirals and doughnuts
New ultra-thin graphene metalenses can focus light into exotic shapes like spirals and doughnuts. This enables advances in areas like optical trapping, microscopy, quantum optics and communications.
Preventing medical implant infections with nitric oxide generating MOF coatings
Researchers use metal-organic frameworks in coatings for rapid nitric oxide release, killing bacteria on implants and preventing recolonization.