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Updated: 7 min ago

Robotic fish can 'see' and mimic live fish

Wed, 02/07/2018 - 19:04
Researchers tapped advances in real-time tracking software and robotics to design and test the first closed-loop control system featuring a bioinspired robotic replica interacting in three dimensions with live zebrafish. The system allows the robotic replica to both 'see' and mimic the behavior of live zebrafish in real time. Robots previously have been deployed alongside live animals to better understand animal behavior but the encounters were unidirectional.

Light controls two-atom quantum computation

Wed, 02/07/2018 - 15:24
Scientists have demonstrated mathematical operations with a quantum gate between two trapped atoms that is mediated by photons.

Brain training for old dogs: Could touchscreen games become the Sudoku of man’s best friend?

Wed, 02/07/2018 - 15:22
Spoiling old dogs in their twilight years by retiring them to the sofa and forgiving them their stubbornness or disobedience, doesn’t do our four-legged friends any good. Regular brain training and lifelong learning create positive emotions and can slow down mental deterioration in old age. Physical limitations, however, often do not allow the same sort of training as used in young dogs. In a new study, a team of researchers led by cognitive biologists propose computer interaction as a practical alternative. In the training lab, old dogs responded positively to cognitive training using educational touchscreen games.

Crowd workers, AI make conversational agents smarter

Wed, 02/07/2018 - 15:17
Conversational agents such as Siri, Alexa and Cortana are great at giving you the weather, but are flummoxed when asked for unusual information, or follow-up questions. By adding humans to the loop researchers have created a conversational agent that is tough to stump. It's not the first chatbot to use human brainpower to answer a broad range of questions. What sets it apart is humans are simultaneously training its artificial intelligence, making it gradually less dependent on people.

Love actually: Computer model may decode Facebook emoticons

Tue, 02/06/2018 - 20:18
While the trusty 'like' button is still the most popular way to signal approval for Facebook posts, a computer model may help users and businesses navigate the increasingly complicated way people are expressing how they feel on social media.

The future of wireless communications is terahertz

Tue, 02/06/2018 - 16:53
Electrical and optical engineers have designed a novel platform that could tailor telecommunication and optical transmissions. They experimentally demonstrated their system using a new transmission wavelength with a higher bandwidth capacity than those currently used in wireless communication. These experiments open up new horizons in communication and photonics technology. 

Taking terahertz data links around the bend

Tue, 02/06/2018 - 16:51
A new study shows terahertz data links are possible even without direct line-of-sight between transmitter and receiver, a promising finding for future ultra-high-capacity terahertz data networks.

The dawn of gallium oxide microelectronics

Tue, 02/06/2018 - 16:51
Pushing semiconductor technology to its full potential requires smaller designs at higher energy density, and transparent conductive oxides are a key emerging material, offering the unlikely combination of conductivity and transparency over the visual spectrum. One conductive oxide has unique properties that allow it to function well in power switching: gallium oxide, a material with an incredibly large bandgap. Researchers have now outlined a case for producing microelectronics using gallium oxide.

Smartly containing the cloud increases computing efficiency, says first-of-its-kind study

Tue, 02/06/2018 - 16:49
Researchers discovered ways to further improve computing efficiency using management tools for cloud-based light-weight virtual machine replacements called containers.

Worm 'uploaded' to computer and taught amazing tricks

Tue, 02/06/2018 - 15:58
The tiny worm C. elegans is the only living being whose neural network has been analyzed completely. It can therefore be transferred to a computer, creating a virtual copy of the worm which behaves in exactly the same way to external stimuli. Such a 'virtual worm' can learn amazing tricks -- its neural network can even be used to balance a pole, which is a standard control problem in computer science.

Twitter reveals how future-thinking Americans are and how that affects their decisions

Tue, 02/06/2018 - 15:58
The researchers tapped big data tools to conduct text analyses of nearly 40,000 Twitter users, and to run online experiments of behavior of people who provided their Twitter handles.

Dissatisfaction in three dimensions

Mon, 02/05/2018 - 19:11
A recent paper asserts that mood and body satisfaction can take major hits after viewing oneself represented as a 3-D avatar.

Materials mystery key to next-generation electronic devices solved

Mon, 02/05/2018 - 16:31
Scientists have provided evidence of a hole gas coexisting with two-dimensional electron gas. They designed an ultrathin material, known as a thin film structure, specifically for this research.

Online tool speeds up evolution education

Mon, 02/05/2018 - 16:30
The biology teacher's pedagogical toolbox is evolving. Bright colors, replicating computer code and a digital petri dish bring evolution science to life for students.

Controlling quantum interactions in a single material

Mon, 02/05/2018 - 16:30
By demonstrating that multiple quantum interactions can coexist and be controlled in a single material, researchers open the door for ultrafast, low-power electronics and quantum computers.

Fiber optic sensors that dissolve in the body created

Mon, 02/05/2018 - 16:28
For the first time, researchers have fabricated sensing elements known as fiber Bragg gratings inside optical fibers designed to dissolve completely inside the body.

Vanadium dioxide: A revolutionary material for tomorrow's electronics

Mon, 02/05/2018 - 15:27
Vanadium dioxide's unique properties make it perfect for outperforming silicon and giving rise to a new generation of low-power electronic devices. Engineers have shown how this compound can be used to create programmable radiofrequency electronic functions for aerospace communication systems. Other applications -- such as in neuromorphic computing and artificial intelligence -- are also on the cards.

Measuring the temperature of two-dimensional materials at the atomic level

Fri, 02/02/2018 - 20:59
Researchers describe a new technique for precisely measuring the temperature and behavior of new two-dimensional materials that will allow engineers to design smaller and faster microprocessors.

Algorithm identifies vulnerable people during natural disasters

Fri, 02/02/2018 - 20:32
A new algorithm will help first responders and home care providers better help the elderly during natural disasters.

An unbiased approach for sifting through big data

Fri, 02/02/2018 - 19:09
A new method could help researchers develop unbiased indicators for assessing complex systems such as population health.