ScienceDaily: Matter & Energy News

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ScienceDaily: Matter & Energy News


World speed record for polymer simulations shattered by over a hundred-fold
Programmable materials: Hydrogels capable of complex movement created
Helping computers fill in the gaps between video frames
The next phase: Using neural networks to identify gas-phase molecules
BPA replacements in plastics cause reproductive problems in lab mice
Enhanced 3-D imaging poised to advance treatments for brain diseases
New devices could reduce excess heat in computers
Laser sintering optimized for printed electronics
Enhancing data analysis for large hadron collider
Fluorescence-activating beta-barrel protein made from scratch for first time
New sensors track dopamine in the brain for more than year


World speed record for polymer simulations shattered by over a hundred-fold



Posted: 14 Sep 2018 07:03 AM PDT


By analogy to linear polymers, which reptate with a random walk embedded in a 3D network, we show that star polymers relax by a random walk in a 5D network.


Programmable materials: Hydrogels capable of complex movement created



Posted: 13 Sep 2018 10:45 AM PDT


Researchers have developed a process by which 2-D hydrogels can be programmed to expand and shrink in a space- and time-controlled way that applies force to their surfaces, enabling the formation of complex 3-D shapes and motions.


Helping computers fill in the gaps between video frames



Posted: 13 Sep 2018 10:45 AM PDT


Researchers have developed an add-on module that helps artificial intelligence systems called convolutional neural networks, or CNNs, to fill in the gaps between video frames to greatly improve the network's activity recognition.


The next phase: Using neural networks to identify gas-phase molecules



Posted: 13 Sep 2018 08:39 AM PDT


Scientists have developed a neural network that can identify the structure of molecules in the gas phase, offering a novel technique for national security and pharmaceutical applications.


BPA replacements in plastics cause reproductive problems in lab mice



Posted: 13 Sep 2018 08:39 AM PDT


Twenty years ago, researchers made the accidental discovery that BPA had leached out of plastic cages used to house female mice in the lab, causing an increase in chromosomally abnormal eggs. Now, the same team is back to report that the array of alternative bisphenols now used to replace BPA in BPA-free bottles, cups, cages, and other items appear to come with similar problems for their mice.


Enhanced 3-D imaging poised to advance treatments for brain diseases



Posted: 13 Sep 2018 08:39 AM PDT


Researchers have developed a combination of commercially available hardware and open-source software, named PySight, which improves rapid 2-D and 3-D imaging of the brain and other tissues.


New devices could reduce excess heat in computers



Posted: 13 Sep 2018 08:38 AM PDT


Antiferromagnets could make it possible to achieve computing speeds much faster than existing devices, new research suggests.


Laser sintering optimized for printed electronics



Posted: 13 Sep 2018 08:38 AM PDT


A new study provides insights into the processing of copper nanoparticle ink with green laser light.


Enhancing data analysis for large hadron collider



Posted: 12 Sep 2018 10:34 AM PDT


Physicists have created new techniques that deploy machine learning as a means to significantly improve data analysis for the Large Hadron Collider (LHC), the world's most powerful particle accelerator.


Fluorescence-activating beta-barrel protein made from scratch for first time



Posted: 12 Sep 2018 10:34 AM PDT


For the first time, scientists have created, entirely from scratch, a protein capable of binding to a small target molecule. They designed a cylindrical protein called a beta barrel, which has a cavity to bind the target. The designed protein was able to bind and activate a compound similar to that housed inside green fluorescent protein.


New sensors track dopamine in the brain for more than year



Posted: 12 Sep 2018 05:12 AM PDT


Neuroscientists have devised a way to measure dopamine in the brain for up to a year, which they believe will teach them much more about its role in key brain functions and in disorders such as depression and Parkinson's disease.
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