Latest Headlines

AI networks are more vulnerable to malicious attacks than previously thought

Artificial intelligence tools hold promise for applications ranging from autonomous vehicles to the interpretation of medical images. However, a new study finds these AI tools are more vulnerable than previously thought to targeted attacks that effectively force AI systems to make bad decisions.

Today, 02:31 UTC

Tiny electromagnets made of graphene

Researchers fired short terahertz pulses at micrometer-sized discs of graphene, which briefly turned them into surprisingly strong magnets. This discovery may prove useful for developing future magnetic switches and storage devices.

Today, 02:21 UTC

Interpreting the afterglow of a black hole's breakfast

An entirely new way to probe how active black holes behave when they eat has been discovered by an international team of astronomers.

Today, 01:02 UTC

Watching electrons at work

Scientists have taken snapshots of the crystal structure of perovskite nanocrystals as it was deformed by excited electrons. To their surprise, the deformation straightened out the skewed crystal structure rather than making it more disordered.

Today, 00:53 UTC

'Body internet' may eliminate the need for smartphones

One day, humans might be able to use their touch and thoughts instead of screens to interact with the digital world.

Today, 00:38 UTC

'Undulating carpet' robot could scoop ocean microplastics (w/video)

Inspired by a small and slow snail, scientists have developed a robot protype that may one day scoop up microplastics from the surfaces of oceans, seas and lakes.

Today, 00:19 UTC

Limestone putty nanogenerator harvests energy from everyday motion to power small devices

Researchers have created a new kind of triboelectric nanogenerator that produces electricity through the use of limestone putty, promising a considerable cost savings over conventional manufacturing methods.

Today, 00:04 UTC

A technique with the potential to enhance optical data storage capacity in diamonds

Physicists store many different images at the same place in a diamond by using a laser of a slightly different color to store different information into different atoms in the same microscopic spots.

December 4, 2023

Graphene discs generate picosecond-switchable magnetic fields

Researchers developed graphene discs that generate magnetic fields 10,000x Earth's - switchable in picoseconds. By stirring electrons with light, discs produce swirling plasmons acting as nanomagnets toggled in trillionths of a second, enabling dynamic control from quantum dots to magnetocaloric materials.

December 4, 2023

Low-cost microscope projection photolithography system for high-resolution fabrication

Researchers have developed a low-cost and user-friendly fabrication technique, called UV-LED-based microscope projection photolithography, for rapid high-resolution manufacturing of optical elements within seconds. This approach transfers structure patterns on a photomask to a photoresist-coated substrate under UV illumination.

December 4, 2023

Technique could help tap 2D van der Waals ferroelectrics for use in next-generation electronics

Scientists mapped out the structural features of a 2D ferroelectric material made of tin and selenium atoms, showing how domains - areas of the material in which molecules are identically oriented - impact the behavior of the material.

December 4, 2023

Placing nanoparticles in the palm of your hand

An innovative way to teach nanoscience, using 3D-printed models that make the unseen visible.

December 4, 2023

Breakthroughs in nanosized contrast agents and drug carriers through self-folding molecules

Self-folding polymers containing gadolinium forming nanosized complexes could be the key to enhanced magnetic resonance imaging and next-generation drug delivery.

December 4, 2023

Exciting industrial opportunities of Holey Super Graphene

Super Holey Graphene enhances the already impressive properties of graphene, making it a significant breakthrough in materials science.

December 4, 2023

State of the art in soft microrobotics materials, fabrication and actuation

The field of soft microrobotics is entering a new era driven by advances in polymeric materials, 3D microprinting, and magnetic guidance systems enabling futuristic diagnostic and therapeutic biomedical interventions.

December 4, 2023

Watching the DNA repair process by a photolyase at atomic resolution

For the first time, it is possible to follow, step-by-step and with atomic resolution, what happens when the enzyme DNA photolyase repairs ultraviolet light-induced DNA damage.

December 4, 2023

Superconducting nanowires detect single protein ions

Due to their high energy sensitivity, superconducting nanowire detectors achieve almost 100% quantum efficiency and exceed the detection efficiency of conventional ion detectors at low energies by a factor of up to a 1,000. In contrast to conventional detectors, they can also distinguish macromolecules by their impact energy.

December 3, 2023

Soft robotic arm mimics octopus' agility with stretchable electronics

Researchers develop a soft robotic arm that mimics octopus agility using stretchable electronics, achieving dexterous functionality previously difficult for fully soft robots.

December 3, 2023