Your unique breath ‘fingerprint’ could be used to unlock your phone

When we exhale, we reveal distinctive information about the shape of our airways, which could serve as an ID test for unlocking smartphones – and unlike some other biometric ID tests, this one can’t be hacked after we die ​When we exhale, we reveal distinctive information about the shape of our airways, which could serve …

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Asbestos: The size and shape of inhaled nanofibers could be exclusively responsible for the development of pulmonary fibrosis

The pathogenic potential of inhaling the inert fibrous nanomaterials used in thermal insulation (such as asbestos or fiberglass) is actually connected not to their chemical composition, but instead to their geometrical characteristics and size. This was revealed by a study conducted on glass nanofibers. ​The pathogenic potential of inhaling the inert fibrous nanomaterials used in …

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High-performance stretchable solar cells

Engineers have succeeded in implementing a stretchable organic solar cell by applying a newly developed polymer material that demonstrated the world’s highest photovoltaic conversion efficiency (19%) while functioning even when stretched for more than 40% of its original state. This new conductive polymer has high photovoltaic properties that can be stretched like rubber. The newly …

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New theoretical framework unlocks mysteries of synchronization in turbulent dynamics

Data Assimilation (DA) is an important mathematical method for predicting turbulent flows for weather forecasting. However, the origins of the critical length scale, a crucial parameter in this method, and its dependence on the Reynolds number are not well understood. Now, researchers have developed a novel theoretical framework that treats DA as a stability problem …

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Conflict in full swing: Forest bats avoid large areas around fast-moving wind turbines

Not only do many bats die at wind turbines, the turbines also displace some species from their habitats over large areas. When the turbines are in operation at relatively high wind speeds, the activity of bat species that hunt in structurally dense habitats such as forests drops by almost 80 per cent within a radius …

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Springs aboard — gently feeling the way to grasp the microcosmos

The integration of mechanical memory in the form of springs has for hundreds of years proven to be a key enabling technology for mechanical devices (like clocks), achieving advanced functionality through complex autonomous movements. In our times, the integration of springs in silicon-based microtechnology has opened the world of planar mass-producible mechatronic devices from which …

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Researchers 3D print components for a portable mass spectrometer

Researchers 3D printed a mini quadrupole mass filter, a key component of a mass spectrometer, that performs as well as some commercial-grade devices. It can be fabricated in hours for a few dollars and is one step toward producing a portable mass spectrometer that could enable effective medical diagnoses or chemical analyses in remote areas. …

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Chinese social network fails to curb abuse by showing users’ locations

Weibo, a social media platform, tried to reduce incivility by displaying estimated locations for users, but this gave trolls another way to target people ​Weibo, a social media platform, tried to reduce incivility by displaying estimated locations for users, but this gave trolls another way to target people Weibo, a social media platform, tried to reduce …

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Magnetic fields in the cosmos: Dark matter could help us discover their origin

We don’t know how magnetic fields in the cosmos formed. Now a new theoretical research tells how the invisible part of our universe could help us find out, suggesting a primordial genesis, even within a second of the Big Bang. ​We don’t know how magnetic fields in the cosmos formed. Now a new theoretical research …

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