Search results for fractal

Evolution Feb 15, 2021

Where did brains come from?

Charles Darwin wrote a book called "The Power of Movement in Plants" with his son Francis in which they first identified the root apex as the central command center of plants. In contrast to our own orientation with respect ...

Bio & Medicine Feb 8, 2021

Wearable plasmonic-metasurface sensor for universal molecular fingerprint detection on biointerfaces

Wearable sensing technology is an essential link in personalized medicine, where researchers must track multiple analytes inside the body simultaneously, to obtain a complete picture of human health. In a new report on Science ...

Bio & Medicine Jan 25, 2021

Microstructured optical fibers find their 3-D-printed groove

Small-scale optical devices capable of using photons for high-speed information processing can be fabricated with unprecedented ease and precision using an additive manufacturing process developed at KAUST.

Nanophysics Dec 8, 2020

Cathodic corrosion—devastating but predictable

An indian stepwell on a nanoscale. That is what postdoc Nakkiran Arulmozhi calls the pattern he saw when he corroded a special kind of platinum crystal. The unique images show the destructiveness of the process, but also ...

Nanophysics Dec 4, 2020

Fine tuning the "twist" between 2-D materials in van der Waals heterostructures to help accelerate next gen electronics

A group of international researchers at The University of Manchester have revealed a novel method that could fine tune the angle—"twist"—between atom-thin layers that form exotic manmade nanodevices called van der Waals heterostructures—and ...

Nanomaterials Dec 3, 2020

Physicists describe a new type of amorphous solid bodies

Many substances with different chemical and physical properties, from diamonds to graphite, are made up of carbon atoms. Amorphous forms of solid carbon do not have a fixed crystal structure and consist of structural units—nanosized ...

General Physics Dec 1, 2020

A new lesson about phase transitions and criticality

NUS physicists have discovered a theoretical behavior known as the "critical skin effect" influencing how changes between different phases of matter occur.

Nanophysics Nov 13, 2020

Scientists discover new family of quasiparticles in graphene-based materials

A group of researchers led by Sir Andre Geim and Dr. Alexey Berdyugin at The University of Manchester have discovered and characterized a new family of quasiparticles named 'Brown-Zak fermions' in graphene-based superlattices.

General Physics Oct 22, 2020

Shedding light on moiré excitons: A first-principles perspective

Moiré superlattices that are located within van der Waals (vdW) heterostructures can trap long-lived interlayer excitons to form ordered quantum dot arrays, paving the way for unprecedented optoelectronic and quantum information ...

Materials Science Oct 21, 2020

Innovation spins spider web architecture into 3-D imaging technology

Purdue University innovators are taking cues from nature to develop 3-D photodetectors for biomedical imaging.

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