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Technology News

Shape-shifting origami could help antenna systems adapt on the fly
Posted on Monday December 10, 2018

Researchers have devised a method for using an origami-based structure to create radio frequency filters that have adjustable dimensions, enabling the devices to change which signals they block throughout a large range of frequencies.

Water found on asteroid, confirming Bennu as excellent mission target
Posted on Monday December 10, 2018

Spectral observations made by the OSIRIS-REx spacecraft identified hydrated minerals across the asteroid, confirming that Bennu, a remnant from early in the formation of the solar system, is an excellent specimen for the OSIRIS-REx mission to study the composition of primitive volatiles and organics.

Sprayable gel could help the body fight off cancer after surgery
Posted on Monday December 10, 2018

A research team has developed a spray gel embedded with immune-boosting drugs that could help lower the risk of cancer recurrence after surgery.

Topological material switched off and on for the first time
Posted on Monday December 10, 2018

A new study represents a significant advance in topological transistors and beyond-CMOS electronics. First time that the topological state in a topological insulator has been switched on and off using an electric field. Researchers proved this is possible at room temperature, which is necessary for any viable replacement to CMOS technology in everyday applications.

Physicist creates tiny sensors to assist in cancer detection
Posted on Monday December 10, 2018

A physicist hopes to improve cancer detection with a new and novel class of nanomaterials.

Solar activity research provides insight into sun's past, future
Posted on Monday December 10, 2018

Scientists have developed a new technique for looking at historic solar data to distinguish trustworthy observations from those that should be used with care. This work is critical to understanding the sun's past and future as well as whether solar activity plays a role in climate change.

Evidence for carbon-rich surface on Ceres
Posted on Monday December 10, 2018

Astronomers have concluded that the surface of dwarf planet Ceres is rich in organic matter. Data from NASA's Dawn spacecraft indicate that Ceres's surface may contain several times the concentration of carbon than is present in the most carbon-rich, primitive meteorites found on Earth.

Topological matters: Toward a new kind of transistor
Posted on Monday December 10, 2018

An experiment has demonstrated, for the first time, electronic switching in an exotic, ultrathin material that can carry a charge with nearly zero loss at room temperature. Researchers demonstrated this switching when subjecting the material to a low-current electric field.

Tiny droplets of early universe matter created
Posted on Monday December 10, 2018

Researchers have created tiny droplets of the ultra-hot matter that once filled the early universe, forming three distinct shapes and sizes: circles, ellipses and triangles.

Novel laser technology for microchip-size chemical sensors
Posted on Monday December 10, 2018

A special laser system has been developed, using two slightly different frequency combs. This allows for chemical analysis on tiny spaces -- it is a millimeter-format chemistry lab. With this new patent-pending technology, frequency combs can be created on a single chip in a very simple and robust manner.

Antenna evaluation method could help boost 5G network capacity and cut costs
Posted on Monday December 10, 2018

Researchers have developed a method for evaluating and selecting optimal antenna designs for future fifth-generation (5G) cellphones, other wireless devices and base stations.

Predicting leaky heart valves with 3D printing
Posted on Monday December 10, 2018

Researchers have created a novel 3D printing workflow that allows cardiologists to evaluate how different valve sizes will interact with each patient's unique anatomy, before the medical procedure is actually performed. This protocol uses CT scan data to produce physical models of individual patients' aortic valves, in addition to a 'sizer' device to determine the perfect replacement valve size.

NASA's Voyager 2 probe enters interstellar space
Posted on Monday December 10, 2018

For the second time in history, a human-made object has reached the space between the stars. NASA's Voyager 2 probe now has exited the heliosphere -- the protective bubble of particles and magnetic fields created by the Sun.

Scientists brew lava and blow it up to better understand volcanoes
Posted on Monday December 10, 2018

What happens when lava and water meet? Explosive experiments with humanmade lava are helping to answer this important question. This long-term, ongoing study aims to shed light on the basic physics of lava-water interactions, which are common in nature but poorly understood.

Proteins for making tough rubber
Posted on Monday December 10, 2018

Inspired by nature, scientists have produced a synthetic analogue to vulcanized natural rubber. Their material is just as tough and durable as the original. They reveal the secret to their success: short protein chains attached to the side-chains of the polymer backbone ensure stable physical cross-linkage and give the material a ''self-reinforcing'' effect under strain. In contrast to conventional rubbers, it is much easier to recycle.

Nanoglue can make composites several times tougher during dynamic loading
Posted on Monday December 10, 2018

Materials scientists have found that oscillating loads at certain frequencies can lead to several-fold increases in the strength of composites with an interface that is modified by a molecular layer of 'nanoglue.'

Using machine learning to design peptides
Posted on Monday December 10, 2018

Scientists have developed a way of finding optimal peptide sequences: using a machine-learning algorithm as a collaborator. The algorithm analyzes experimental data and offers suggestions on the next best sequence to try, creating a back-and-forth selection process that reduces time needed to find the optimal peptide. The results could provide a new framework for experiments across materials science and chemistry.

NASA InSight lander 'hears' Martian winds
Posted on Friday December 07, 2018

NASA's Interior Exploration using Seismic Investigations, Geodesy and Heat Transport InSight lander, which touched down on Mars just 10 days ago, has provided the first ever "sounds" of Martian winds on the Red Planet.

NASA's Mars InSight flexes its arm
Posted on Friday December 07, 2018

New images from NASA's Mars InSight lander show its robotic arm is ready to do some lifting. With a reach of nearly 6 feet (2 meters), the arm will be used to pick up science instruments from the lander's deck, gently setting them on the Martian surface at Elysium Planitia, the lava plain where InSight touched down on Nov. 26.

Planetary defense: The Bennu experiment
Posted on Friday December 07, 2018

On Dec. 3, after traveling billions of kilometers from Earth, NASA's OSIRIS-REx spacecraft reached its target, Bennu, and kicked off a nearly two-year, up-close investigation of the asteroid. It will inspect nearly every square inch of this ancient clump of rubble left over from the formation of our solar system. Ultimately, the spacecraft will pick up a sample of pebbles and dust from Bennu's surface and deliver it to Earth in 2023.

 

 


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