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Environment Nov 28, 2023

India hopes cloud seeding can wash away deadly smog

Indian scientists are preparing cloud seeding technology to clean poisonous smog in the capital with rain, but environmental critics fear it is an expensive distraction from tackling root causes.

Biotechnology May 1, 2023

New biocomputing method uses enzymes as catalysts for DNA-based molecular computing

From early detection and internal treatment of diseases to futuristic applications like augmenting human memory, biological computing, or biocomputing, has the potential to revolutionize medicine and computers.

Optics & Photonics Feb 13, 2023

Researchers realize complete family of logic gates using silicon-on-silica waveguides at 1.55 μm

All-optical logic gates are essential elements for the optical processing of information, since they overcome the fundamental difficulties of their electronic counterparts, in particular the limited data transfer speed and ...

Optics & Photonics Jul 6, 2022

Researchers implement logic gates using two-photon absorption in carrier reservoir semiconductor optical amplifiers

When an optical pulse train is delivered, two-photon absorption (TPA)-induced pumping causes considerable and quick gain and phase shifts in the carrier reservoir semiconductor optical amplifier (CR-SOA).

Quantum Physics May 6, 2022

Implementation and reconfiguration of magnetic skyrmions-based logic gates in one single nanotrack

In one single nanotrack, a research team has achieved the annihilation, fusion and shunting of two skyrmions with opposite chirality via local reversal of the DMI, as well as the pinning effect of energy barriers on skyrmions.

Nanophysics Dec 1, 2021

Researchers develop nanometer-scale adaptive transistor

Normally, computer chips consist of electronic components that always do the same thing. In the future, however, more flexibility will be possible: New types of adaptive transistors can be switched in a flash, so that they ...

Cell & Microbiology Jul 30, 2021

Researchers construct lab-made 'cells' with organelles to mimic cellular signaling

Cells are compartmentalized microreactors that integrate spatially organized organelles in a confined space to afford biochemical reaction networks.

Molecular & Computational biology Jul 12, 2021

Scientists develop novel DNA logic circuits

Based on the complementary base pairing rules, a variety of complex secondary structures can be designed and assembled to develop DNA molecular devices with specific functions which play an important role in diverse research ...

Molecular & Computational biology Apr 29, 2021

Plankton have a genome like no other

The genome of single-celled plankton, known as dinoflagellates, is organized in an incredibly strange and unusual way, according to new research. The findings lay the groundwork for further investigation into these important ...

Environment Mar 29, 2021

Study looks at impacts of COVID-19 and Cyclone Harold on fishers in Fiji

A new study published in the journal Environmental Science and Policy addresses the impacts of COVID-19 and Cyclone Harold on Indo-Fijians engaged in small scale fisheries.

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