Science Daily: Top Science News, 16-17 Feb 2019


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Content provided by “Science Daily”, 16 February 2019.

Accessed on 16 February 2019, 1505 UTC.

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ScienceDaily: Top Science News

Graphene-based wearables for health monitoring, food inspection and night vision

Posted: 15 Feb 2019 04:25 PM PST

Scientists have developed dozens of new graphene-based prototypes. These technologies aim to turn mobile phones into life saving devices.


Tidal tails: The beginning of the end of an open star cluster

Posted: 15 Feb 2019 08:03 AM PST

In the course of their life, open star clusters continuously lose stars to their surroundings. The resulting swath of tidal tails provides a glimpse into the evolution and dissolution of a star cluster. Thus far only tidal tails of massive globular clusters and dwarf galaxies have been discovered in the Milky Way system. In open clusters, this phenomenon existed only in theory. Researchers have now finally verified the existence of such a tidal tail in the star cluster closest to the Sun, the Hyades. An analysis of measurements from the Gaia satellite led to the discovery.


A nearby river of stars

Posted: 15 Feb 2019 06:29 AM PST

Astronomers have found a river of stars, a stellar stream in astronomical parlance, covering most of the southern sky. The stream is relatively nearby and contains at least 4000 stars that have been moving together in space since they formed, about 1 billion years ago.


Gravitational waves will settle cosmic conundrum

Posted: 14 Feb 2019 08:55 AM PST

Measurements of gravitational waves from approximately 50 binary neutron stars over the next decade will definitively resolve an intense debate about how quickly our universe is expanding, according to new findings.


Developable mechanisms can reside inside the surface of a structure

Posted: 13 Feb 2019 11:27 AM PST

Engineers detail new technology that allows them to build complex mechanisms into the exterior of a structure without taking up any actual space below the surface. This new class of mechanisms, called ‘developable mechanisms,’ get their name from developable surfaces, or materials that can take on 3-D shapes from flat conformations without tearing or stretching, like a sheet of paper or metal.


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Russ Roberts

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