ScienceDaily: Top Technology News

Study of material surrounding distant stars shows Earth’s ingredients ‘pretty normal’

Posted: 15 Aug 2018 04:05 PM PDT

The Earth’s building blocks seem to be built from ‘pretty normal’ ingredients, according to researchers working with the world’s most powerful telescopes. Scientists have measured the compositions of 18 different planetary systems from up to 456 light years away and compared them to ours, and found that many elements are present in similar proportions to those found on Earth. This will have implications for finding Earth-like bodies elsewhere.

Particles pull last drops of oil from well water

Posted: 15 Aug 2018 02:11 PM PDT

Engineers develop magnetic nanoparticles that separate the last droplets of oil from produced water at wells.

Robots have power to significantly influence children’s opinions

Posted: 15 Aug 2018 12:44 PM PDT

Young children are significantly more likely than adults to have their opinions and decisions influenced by robots, according to new research.

Water use for fracking has risen by up to 770 percent since 2011

Posted: 15 Aug 2018 11:14 AM PDT

The amount of water used per well for fracking surged by up to 770 percent between 2011 and 2016 in all major US shale gas- and oil-producing regions, a new study finds. The volume of flowback and produced water that new wells generated during their first year of operation also increased by up to 1,440 percent. If this rapid intensification continues, fracking’s water footprint could grow by up to 50-fold by the year 2030.

Robots will never replace teachers but can boost children’s education

Posted: 15 Aug 2018 11:14 AM PDT

Robots can play an important role in the education of young people but will never fully replace teachers, a new study suggests.

Iron and titanium in the atmosphere of an exoplanet

Posted: 15 Aug 2018 10:05 AM PDT

Exoplanets can orbit close to their host star. When the host star is much hotter than our sun, then the exoplanet becomes as hot as a star. The hottest ‘ultra-hot’ planet was discovered last year. A team has now discovered the presence of iron and titanium vapors in the atmosphere of this planet. This detection was made possible by the surface temperature of this planet, which reaches more than 4,000 degrees.

Light-emitting nanoparticles could provide a safer way to image living cells

Posted: 15 Aug 2018 10:05 AM PDT

A research team has demonstrated how light-emitting nanoparticles can be used to see deep in living tissue. Researchers hope they can be made to attach to specific components of cells to serve in an advanced imaging system that can pinpoint even single cancer cells.

Stern of World War II US destroyer discovered off remote Alaskan island

Posted: 15 Aug 2018 09:42 AM PDT

In the midst of World War II on August 18, 1943, the USS Abner Read struck what was presumed to be a Japanese mine in the Bering Sea. The catastrophic blast took the lives of 71 American sailors. For their families, the final resting place of loved ones lost remained unknown. Until now. On July 16, 2018, a team of researchers using robotics technology discovered the sunken stern of the World War II destroyer — solving a 75-year-old mystery.

Magnetic antiparticles offer new horizons for information technologies

Posted: 15 Aug 2018 07:53 AM PDT

Computer simulations reveal new behavior of antiskyrmions in gradually increased electric currents.

Effective material developed to prevent post-surgical adhesion

Posted: 15 Aug 2018 07:29 AM PDT

Researchers have investigated a novel Polyelectrolyte complex (PEC) that provides a barrier to prevent adhesions in post-operative complications. This has the potential to avoid the need for a second surgery to remove the adhesions.

Predicting landslide boundaries two weeks before they happen

Posted: 15 Aug 2018 07:29 AM PDT

Researchers have developed a software tool that uses applied mathematics and big data analytics to predict the boundary of where a landslide will occur, two weeks in advance.

3-D inks that can be erased selectively

Posted: 15 Aug 2018 07:29 AM PDT

3-D printing by direct laser writing enables production of micro-meter-sized structures for many applications, from biomedicine to microelectronics to optical metamaterials. Researchers have now developed 3-D inks that can be erased selectively. This allows specific degradation and reassembly of highly precise structures on the micrometer and nanometer scales.

Molecular switch detects metals in the environment

Posted: 15 Aug 2018 05:58 AM PDT

Researchers have designed a family of molecules capable of binding to metal ions present in its environment and providing an easily detectable light signal during binding. This new type of sensor forms a 3D structure whose molecules consist of a ring and two luminescent arms that emit a particular type of light in a process called circular polarized luminescence, and detect ions, such as sodium.

Faster way to make mineral to remove carbon dioxide from atmosphere

Posted: 14 Aug 2018 01:26 PM PDT

Scientists have developed an accelerated way to produce magnesite, a mineral which can capture the greenhouse gas carbon dioxide from the atmosphere, at room temperature. Removing carbon dioxide from the atmosphere would slow global warming. This work takes a different approach to existing processes, and may make it economically viable, but it is at an early stage and is not yet an industrial process.

Researchers use green gold to rapidly detect and identify harmful bacteria

Posted: 14 Aug 2018 01:26 PM PDT

Researchers have developed a method to screen and identify harmful or antibiotic-resistant bacteria within one hour using a portable luminometer.

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