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Technology News

Repellent research: Navy developing ship coatings to reduce fuel, energy costs
Posted on Friday June 22, 2018

It can repel water, oil, alcohol and even peanut butter. And it might save the US Navy millions of dollars in ship fuel costs, reduce the amount of energy that vessels consume and improve operational efficiency.

The photoelectric effect in stereo
Posted on Friday June 22, 2018

In the photoelectric effect, a photon ejects an electron from a material. Researchers have now used attosecond laser pulses to measure the time evolution of this effect in molecules. From their results they can deduce the exact location of a photoionization event.

Uncovering lost images from the 19th century
Posted on Friday June 22, 2018

Art curators will be able to recover images on daguerreotypes, the earliest form of photography that used silver plates, after a team of scientists learned how to use light to see through degradation that has occurred over time.

'Stealth' material hides hot objects from infrared eyes
Posted on Friday June 22, 2018

Infrared cameras are the heat-sensing eyes that help drones find their targets even in the dead of night or through heavy fog. Hiding from such detectors could become much easier, thanks to a new cloaking material that renders objects -- and people -- practically invisible.

Estimate of 8.5 billion barrels of oil in Texas' Eagle Ford Group
Posted on Friday June 22, 2018

The Eagle Ford Group of Texas contains estimated means of 8.5 billion barrels of oil, 66 trillion cubic feet of natural gas, and 1.9 billion barrels of natural gas liquids, according to a new assessment.

Low-cost plastic sensors could monitor a range of health conditions
Posted on Friday June 22, 2018

An international team of researchers have developed a low-cost sensor made from semiconducting plastic that can be used to diagnose or monitor a wide range of health conditions, such as surgical complications or neurodegenerative diseases.

Biorenewable, biodegradable plastic alternative synthesized
Posted on Friday June 22, 2018

Polymer chemists have taken another step toward a future of high-performance, biorenewable, biodegradable plastics. The team describes chemical synthesis of a polymer called bacterial poly(3-hydroxybutyrate) ­- or P3HB. The compound shows early promise as a substitute for petroleum plastics in major industrial uses.

What causes the sound of a dripping tap -- and how do you stop it?
Posted on Friday June 22, 2018

Scientists have solved the riddle behind one of the most recognizable, and annoying, household sounds: the dripping tap. And crucially, they have also identified a simple solution to stop it, which most of us already have in our kitchens.

Chemists teach an enzyme a new trick, with potential for building new molecules
Posted on Thursday June 21, 2018

Chemists have found a way to make a naturally occurring enzyme take on a new, artificial role, which has significant implications for modern chemistry, including pharmaceutical production.

Coining less expensive currency: Bringing down the cost of making nickels
Posted on Thursday June 21, 2018

Cashing in on materials science, makes a new nickel for use in the U.S. Mint. The work might be useful for building durable high-tech devices like smartphones, too.

Template to create superatoms could make for better batteries
Posted on Thursday June 21, 2018

Researchers have discovered a novel strategy for creating superatoms -- combinations of atoms that can mimic the properties of more than one group of elements of the periodic table. These superatoms could be used to create new materials, including more efficient batteries and better semiconductors; a core component of microchips, transistors and most computerized devices.

US oil & gas methane emissions 60 percent higher than estimated
Posted on Thursday June 21, 2018

The US oil and gas industry emits 13 million metric tons of the potent greenhouse gas methane from its operations each year, 60 percent more than estimated by the US Environmental Protection Agency, according to a new study.

Unprecedented control of polymer grids achieved
Posted on Thursday June 21, 2018

The first examples of covalent organic frameworks (COFs) were discovered in 2005, but quality has been poor and preparation methods uncontrolled. Now researchers have produced high-quality versions of these materials, demonstrate their superior properties and control their growth. The team's two-step process produces organic polymers with crystalline, two-dimensional structures. The precision of the material's structure and the empty space its hexagonal pores provide will allow scientists to design new materials with desirable properties.

Water can be very dead, electrically speaking
Posted on Thursday June 21, 2018

Water is one of the most fascinating substances on Earth and at the heart of its many unusual properties is high polarizability, a strong response to an applied electric field. Now researchers have found that on a microscopic scale water behaves very differently and its thin layers lose any polarizability, becoming electrically dead.

Einstein proved right in another galaxy
Posted on Thursday June 21, 2018

Astronomers have made the most precise test of gravity outside our own solar system. By combining data taken with NASA's Hubble Space Telescope and the European Southern Observatory's Very Large Telescope, the researchers show that gravity in this galaxy behaves as predicted by Albert Einstein's general theory of relativity, confirming the theory's validity on galactic scales.

Nearly 80 exoplanet candidates identified in record time
Posted on Thursday June 21, 2018

Scientists have analyzed data from K2, the follow-up mission to NASA's Kepler Space Telescope, and have discovered a trove of possible exoplanets amid some 50,000 stars. The scientists report the discovery of nearly 80 new planetary candidates, including a particular standout: a likely planet that orbits the star HD 73344, which would be the brightest planet host ever discovered by the K2 mission.

Engineering bacteria to exhibit stochastic Turing patterns
Posted on Thursday June 21, 2018

A new study has brought science one step closer to a molecular-level understanding of how patterns form in living tissue. The researchers engineered bacteria that, when incubated and grown, exhibited stochastic Turing patterns: a 'lawn' of synthesized bacteria in a petri dish fluoresced an irregular pattern of red polka dots on a field of green.

Major challenge in mass production of low-cost solar cells solved
Posted on Thursday June 21, 2018

A team has solved a major fabrication challenge for perovskite cells -- the intriguing potential challengers to silicon-based solar cells. The team reveals a new scalable means of applying the compound PCBM, a critical component, to perovskite cells.

'Flamingo:' High-powered microscopy coming to a scientist near you
Posted on Thursday June 21, 2018

Scientists have developed a portable, shareable light sheet microscope. The project can be mailed to a lab anywhere in the world, configured remotely by engineers, and run one to three months of experiments.

Scientists print sensors on gummi candy
Posted on Thursday June 21, 2018

Microelectrodes can be used for direct measurement of electrical signals in the brain or heart. These applications require soft materials, however. With existing methods, attaching electrodes to such materials poses significant challenges. A team has now succeeded in printing electrodes directly onto several soft substrates.

 



 

 

 

 


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