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Scientists realize quantum simulation of the Unruh effect

15-Mar-2016

Quantum mechanics and relativity theory are two pillars of modern physics. With their amalgamation, many novel phenomena have been identified. For example, the Unruh effect is one of the most significant outcomes of the quantum field theory. This effect serves as an important tool to investigate ...

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What makes penguin feathers ice-proof

26-Feb-2016

Humboldt penguins live in places that dip below freezing in the winter, and despite getting wet, their feathers stay sleek and free of ice. Scientists have now figured out what could make that possible. They report that the key is in the microstructure of penguins' feathers. Based on their ...

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Shrinking 3-D technology for comfortable smart phone viewing

25-Feb-2016

Imagine watching a 3D movie on your smart phone and suddenly getting a headache or even feeling nauseous. Such viewer discomfort is one of the biggest obstacles preventing widespread application of 3D display technology - especially for portable devices whose slim design poses an extra ...

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Scientists provide new guideline for synthesis of fullerene electron acceptors

29-Jan-2016

Organic/polymer solar cells represent the most important direction for green energy in the future. Fullerene electron acceptors have been widely used in organic/polymer solar cells as well as perovskite solar cells. A recent study reveals that the photovoltaic performance can be influenced by ...

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Glass-based UV absorbers act as ‘Biological Shields’

22-Jan-2016

If you’ve ever experienced a bad sunburn, you know the damage that ultraviolet (UV) light can cause to living cells (like your skin). Out in space, where the level of radiation from the sun can be even higher, it can damage sensitive electronics aboard in-flight spacecraft. The dangers of UV ...

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Imitating synapses of the human brain could lead to smarter electronics

13-Nov-2015

Making a computer that learns and remembers like a human brain is a daunting challenge. The complex organ has 86 billion neurons and trillions of connections - or synapses - that can grow stronger or weaker over time. But now scientists report the development of a first-of-its-kind synthetic ...

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An inexpensive rival to graphene aerogels

08-Jun-2015

The electromagnetic radiation discharged by electronic equipment and devices is known to hinder their smooth operation. Conventional materials used today to shield from incoming electromagnetic waves tend to be sheets of metal or composites, which rely on reflection as a shielding mechanism.But ...

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Fractional quantum Hall effect: Experimental progress and quantum computing applications

12-Jan-2015

The Hall effect, discovered in 1879, is observable when a Hall voltage perpendicular to the current is produced across a conductor under a magnetic field. Although the Hall effect was discovered in a sheet of gold leaf by Edwin Hall, this effect does not require a two-dimensional condition.A ...

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Transformations of diazo compounds catalyzed by environmentally benign iron complexes

08-Jan-2015

Catalysis can be used to enhance the reactivity and selectivity of specific chemical transformations and decrease the amount of energy consumed by these processes. Most catalytic reactions fulfill the criteria for a sustainable transformation on the macroscopic scale, and a wide variety of ...

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Future batteries: Lithium-sulfur with a graphene wrapper

UK-China team has designed a novel cathode for rechargeable lithium-sulfur batteries featuring a thin 'wrap sandwich' sheet of graphene

18-Dec-2014

What do you get when you wrap a thin sheet of the "wonder material" graphene around a novel multifunctional sulfur electrode that combines an energy storage unit and electron/ion transfer networks? An extremely promising electrode structure design for rechargeable lithium-sulfur ...

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