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Обновлено: 3 hours 44 min назад

Atomic beams shoot straighter via cascading silicon peashooters

23 апреля, 2019 - 15:14
To a non-physicist, an 'atomic beam collimator' may sound like a phaser firing mystical particles. That might not be the worst metaphor to introduce a technology that researchers have now miniaturized, making it more likely to someday land in handheld devices.
Категории: Nano planet

Estimating the occurrence of nanomaterials in the environment

23 апреля, 2019 - 15:04
To perform a risk assessment of nanomaterials in the environment, information on the exposure, i.e. the amounts that are present in the environment, is essential. In contrast to many other known pollutants, the concentrations of nanomaterials in environmental systems cannot be measured directly. In this situation, exposure modelling is a solution to estimate the environmental exposure with synthetic nanomaterials. In order to predict the amount of a nanomaterial in a certain environmental compartment (environmental exposure) present in a certain area, two basic types of models are required - material flow analysis and environmental behaviour modelling.
Категории: Nano planet

Researchers discover perfectly imperfect twist on nanowire growth

23 апреля, 2019 - 13:25
For years, researchers have been trying to find ways to grow an optimal nanowire, using crystals with perfectly aligned layers all along the wire. A team of engineering researchers sees an advantage to natural imperfection.
Категории: Nano planet

How slippery surfaces allow sticky pastes and gels to slide

23 апреля, 2019 - 11:25
Engineered surface treatment can reduce waste and improve efficiency in many processes.
Категории: Nano planet

Quantum gas turns supersolid

23 апреля, 2019 - 11:13
Scientists report on the observation of supersolid behavior in dipolar quantum gases of erbium and dysprosium. In the dysprosium gas these properties are unprecedentedly long-lived. This sets the stage for future investigations into the nature of this exotic phase of matter.
Категории: Nano planet