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Technology News

Fluorescing urine signals organ transplant rejection, could replace needle biopsies
Posted on Tuesday February 19, 2019

Glowing urine may replace the biopsy needle: In detecting organ transplant rejection, a new nanoparticle has proven much faster and more thorough in the lab than a biopsy. When T cells mount their first attack on the organ's cells, the nanoparticle sends an alarm signal into the urine that makes it fluoresce.

Solar tadpole-like jets seen with NASA'S IRIS add new clue to age-old mystery
Posted on Tuesday February 19, 2019

Scientists have discovered tadpole-shaped jets coming out of the Sun that may help explain why the corona (the wispy upper atmosphere of our star) is so inexplicably hot.

Engineers can detect ultra rare proteins in blood using a cellphone camera
Posted on Tuesday February 19, 2019

Commercial approaches to ultrasensitive protein detection are starting to become available, but they are based on expensive optics and fluid handlers, which make them relatively bulky and expensive. Knowing that having this sort of diagnostic system available as a point-of-care device would be critical for many conditions, especially traumatic brain injury, engineers have developed a test that uses off-the-shelf components and can detect single proteins with results in a matter of minutes.

In the blink of an eye: Team uses quantum of light to create new quantum simulator
Posted on Tuesday February 19, 2019

Imagine being stuck inside a maze and wanting to find your way out. How would you proceed? The answer is trial and error. This is how traditional computers with classical algorithms operate to find the solution to a complex problem. Now consider this: What if, by magic, you were able to clone yourself into multiple versions so that you were able to go through all the various paths at the same time? You'd find the exit almost instantly.

New therapeutic approach to treating osteoarthritis
Posted on Tuesday February 19, 2019

Researchers have developed a new way to deliver treatment for cartilage regeneration.

When a defect might be beneficial
Posted on Tuesday February 19, 2019

Engineers have studied the structure and properties of the commonly occurring planar defects at the atomic scale, which spans only a few tenths of a nanometer.

New laser methods create dazzling colors on metals
Posted on Tuesday February 19, 2019

Researchers describe how to use a single commercially available laser to achieve three techniques for laser colorization on metal, making the techniques more practical for a wide range of applications in art and jewelry making.

Nanopores make portable mass spectrometer for peptides a reality
Posted on Tuesday February 19, 2019

Scientists have developed nanopores that can be used to directly measure the mass of peptides. Although the resolution needs to be improved, this proof of principle shows that a cheap and portable peptide mass spectrometer can be constructed using existing nanopore technology and the patented pores.

Firefly-inspired surfaces improve efficiency of LED lightbulbs
Posted on Tuesday February 19, 2019

A new type of light-emitting diode lightbulb could one day light homes and reduce power bills, according to researchers who suggest that LEDs made with firefly-mimicking structures could improve efficiency.

Indecision under pressure
Posted on Tuesday February 19, 2019

When compressed, a material typically becomes a better conductor of heat. Not so for the unusual material cubic boron arsenide, which when under pressure shows its conductivity first improves and then deteriorates. The findings not only hint at future applications, but proffer a theory that may offer insights into some of the oldest Earth processes.

Can a flowing liquid-like material maintain its structural order like crystals?
Posted on Tuesday February 19, 2019

Scientists have discovered a chiral compound, which can spontaneously form a molecular assembly with an extremely large single domain structure beyond a size regime incapable of realizing with usual molecular self-assembly. The chiral compound, when heated and left to cool on a solid substrate, gives a droplet featuring a single-crystal-like structure. When the substrate is set up vertically, the droplet exhibits sliding and rotating motion controlled by the chirality while preserving the single-crystalline structural order.

New technology captures movement of quantum particles with unprecedented resolution
Posted on Tuesday February 19, 2019

A new study explores the activity of quantum particles in 2D materials within an unprecedented small time frame and at an extraordinarily high spatial resolution. These are highly sought-after capabilities for advanced communications technologies and for photonics-based quantum computers.

Dose of vitamin C helps gold nanowires grow
Posted on Tuesday February 19, 2019

Scientists discover a method to turn stubby gold nanorods into gold nanowires of impressive length. The metal wires could be valuable for sensing, diagnostic, imaging and therapeutic applications.

Breakthrough in the search for graphene-based electronics
Posted on Tuesday February 19, 2019

A team of researchers from Denmark has solved one of the biggest challenges in making effective nanoelectronics based on graphene.

Renewable energy generation with kites and drones
Posted on Tuesday February 19, 2019

A group of researchers has recently developed a new software aimed at the analysis of energy generation systems based on kites and drones. They used the software to study the behavior of these systems while transforming the kinetic energy of the wind into useful electrical energy.

Using crystals to unpick how viruses work
Posted on Tuesday February 19, 2019

Researchers have used X-ray crystallography and computer simulation to get a closer look at how viruses bind cells and cause infection.

Robots track moving objects with unprecedented precision
Posted on Tuesday February 19, 2019

A novel system uses RFID tags to help robots home in on moving objects with unprecedented speed and accuracy. The system could enable greater collaboration and precision by robots working on packaging and assembly, and by swarms of drones carrying out search-and-rescue missions.

Lobster's underbelly is as tough as industrial rubber
Posted on Tuesday February 19, 2019

Flip a lobster on its back, and you'll see that the underside of its tail is split in segments connected by a translucent membrane that appears rather vulnerable when compared with the armor-like carapace that shields the rest of the crustacean. But engineers have found that this soft membrane is surprisingly tough, with a microscopic, layered, plywood-like structure that makes it remarkably tolerant to scrapes and cuts.

The global impact of coal power
Posted on Tuesday February 19, 2019

With data and modelling from almost 8,000 coal power plants, researchers present the most comprehensive global picture to date of climate and human health impacts from coal power generation.

Confirming a source of the process behind auroras and the formation of stars
Posted on Tuesday February 19, 2019

Feature describes the first fully kinetic model of plasma particles showing that fast reconnection can indeed occur in partially ionized plasma.



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