Search results for nanometer

Earth Sciences Jun 12, 2024

Satellite 'megaconstellations' may jeopardize recovery of ozone hole

When old satellites fall into Earth's atmosphere and burn up, they leave behind tiny particles of aluminum oxide, which eat away at Earth's protective ozone layer. A new study finds that these oxides have increased 8-fold ...

Nanophysics Jun 12, 2024

New method integrates quantum dots with metasurfaces for enhanced luminescence

A study published in Nano Letters demonstrates the use of quantum dots to create metasurfaces, enabling two objects to exist in the same space.

Nanophysics Jun 11, 2024

Switching nanomagnets using infrared lasers

When molecules are irradiated with infrared light, they begin to vibrate due to the energy supply. For Andreas Hauser from the Institute of Experimental Physics at Graz University of Technology (TU Graz), this well-known ...

Bio & Medicine Jun 10, 2024

Nanoparticles reprogram mouse immune systems to cope with allergens

Two doses of allergen-encapsulating nanoparticles delivered intravenously prevented anaphylaxis during a food allergy test in mice, according to a study led by University of Michigan researchers.

Nanophysics Jun 10, 2024

Researchers demonstrate new way to 'squeeze' infrared light

Researchers have for the first time demonstrated that a specific class of oxide membranes can confine, or "squeeze," infrared light—a finding that holds promise for next generation infrared imaging technologies. The thin-film ...

Materials Science Jun 8, 2024

New method optimizes lithium extraction from seawater and groundwater

As the electric vehicle market booms, the demand for lithium—the mineral required for lithium-ion batteries—has also soared. Global lithium production has more than tripled in the last decade. But current methods of extracting ...

Astronomy Jun 7, 2024

Hubble examines a barred spiral's light

This NASA/ESA Hubble Space Telescope image features the barred spiral galaxy NGC 3059, which lies about 57 million light-years from Earth. Hubble's Wide Field Camera 3 collected the data in May 2024 as part of an observing ...

Nanophysics Jun 7, 2024

New tech could give individuals increased control over their own exposure to harmful gases

In an increasingly health-conscious society, data is a hot commodity. Tracking step counts with an old-school pedometer has turned into monitoring heart rates, sleep cycles and blood oxygen levels with wearable fitness trackers, ...

Bio & Medicine Jun 6, 2024

Chimeric nanomicelles show promise as alternative treatment for solid tumors

An article published in the Journal of Controlled Release details the results of a cross-border scientific collaboration that has developed an alternative for the treatment of solid tumors based on inhibition of the inflammatory ...

Condensed Matter Jun 6, 2024

Highly sensitive diamond quantum magnetometer can achieve practical ambient condition magnetoencephalography

A highly sensitive diamond quantum magnetometer utilizing nitrogen-vacancy centers can achieve millimeter-scale resolution magnetoencephalography (MEG), as reported by scientists from Tokyo Tech. The novel magnetometer, based ...

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