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Search results for scanning electron microscopy

Archaeology Oct 7, 2020

Study finds preserved brain material in Vesuvius victim

Brain cells have been found in exceptionally preserved form in the remains of a young man killed in the eruption of Mount Vesuvius almost 2,000 years ago, an Italian study has revealed.

General Âé¶¹ÒùÔºics Sep 30, 2020

Achieving invisibility: Cross-wavelength invisibility integrated with invisibility tactics

Invisibility is a superior self-protection strategy of long-standing interest in academia and industry, although the concept is thus far most popularly encountered in science fiction. In a new report on Science Advances, ...

Nanomaterials Sep 23, 2020

Scientists create world's smallest 'refrigerator'

How do you keep the world's tiniest soda cold? UCLA scientists may have the answer.

Archaeology Sep 23, 2020

Chromium steel was first made in ancient Persia

Chromium steel—similar to what we know today as tool steel—was first made in Persia, nearly a millennium earlier than experts previously thought, according to a new study led by UCL researchers.

Optics & Photonics Sep 14, 2020

First fiber-optic nanotip electron gun enables easier nanoscale research

Scientists at the Department of Energy's Oak Ridge National Laboratory and the University of Nebraska have developed an easier way to generate electrons for nanoscale imaging and sensing, providing a useful new tool for material ...

Nanophysics Sep 11, 2020

Regulating the absorption spectrum of polydopamine

Polydopamine (PDA) is an advanced functional material and its emergent light absorption properties make it crucial for applications in materials science. However, it is challenging to rationally design and regulate PDA absorption ...

General Âé¶¹ÒùÔºics Sep 9, 2020

A Janus emitter for passive heat release from enclosures

It is presently challenging to efficiently cool enclosed spaces such as stationary automobiles that trap heat via the greenhouse effect. In a new report in Science Advances, Se-Yeon Heo and a team of scientists in materials ...

Quantum Âé¶¹ÒùÔºics Sep 1, 2020

Researchers manipulate two bits in one atom

Researchers at Delft University of Technology have succeeded in independently manipulating two different types of magnetism within a single atom. The results are relevant for the development of extremely small forms of data ...

Optics & Photonics Aug 31, 2020

Demonstrating the dynamics of electron-light interaction originating from first principle

With the highest possible spatial resolution of less than a millionth of a millimeter, electron microscopes make it possible to study the properties of materials at the atomic level and thus demonstrate the realm of quantum ...

Bio & Medicine Aug 19, 2020

An on-skin durable nanomesh sensor to monitor natural skin motion

Comfortable strain gages can be directly placed on human skin to monitor continuous motion activity with widespread applications in robotics, human motion detection, and personal health care. However, it is challenging to ...

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