Electricity from the coldness of the universe
The obvious drawback of solar panels is that they require sunlight to generate electricity. Some have observed that for a device on Earth facing space, which has a frigid temperature, the chilling outflow of energy from the device can be harvested using the same kind of optoelectronic physics we have used to harness solar energy.
Autonomous weed control via smart robots
To apply pesticide to weeds, rollers can be mounted onto small robots or tractors.
Developing computers that mimic the human brain
As artificial intelligence has become increasingly sophisticated, it has inspired renewed efforts to develop computers whose physical architecture mimics the human brain. One approach, called reservoir computing, allows hardware devices to achieve the higher-dimension calculations required by emerging artificial intelligence. One new device highlights the potential of extremely small mechanical systems to achieve these calculations.
Laser sintering optimized for printed electronics
Printed electronics use standard printing techniques to manufacture electronic devices on different substrates like glass, plastic films, and paper. Interest in this area is growing because of the potential to create cheaper circuits more efficiently than conventional methods.
Sweating the small stuff
When people sweat, they unknowingly release a wide range of chemicals that can noninvasively inform clinicians on anything from stress hormone levels to glucose. But it's hard for researchers to glean this information -- unless you sweat a lot. Emerging wearable devices using stimulant gels have provided a way to induce sweat locally on the body. However, sweat can dilute these gels, which degrades their long-term viability.
A paperlike LCD- thin, flexible, tough and cheap
Optoelectronic have manufactured a special type of liquid crystal display that is paper-thin, flexible, light and tough. With this, a daily newspaper could be uploaded onto a flexible paperlike display that could be updated as fast as the news cycles, as reported in Printed Electronics World.
Biotemplates breakthrough paves way for cheaper nanobots
A feature of science fiction stories for decades, nanorobot potential ranges from cancer diagnosis and drug delivery to tissue repair and more. A major hurdle to these endeavors, however, is finding a way to cheaply make a propulsion system for these devices.
Piezoelectrics stretch their potential
Thin-film piezoelectrics, with dimensions on the scale of micrometers or smaller, offer potential for new applications where smaller dimensions or a lower voltage operation are required.
Vertical axis wind turbines can offer cheaper electricity
A vertical axis wind turbine is a wind turbine design where the generator is vertically oriented in the tower, rather than sitting horizontally on top.
Robotics-based study provides insight into predator-prey interactions
Researchers have recently gained advanced understanding of a variety of processes through the information-theoretic concept of transfer entropy.
Reducing conducting thin film surface roughness for electronics
Surface roughness reduction is a really big deal when it comes to fundamental surface physics and while fabricating electronic and optical devices.
Material turns sunlight, heat, movement into electricity all at once
Many forms of energy surround you: sunlight, the heat in your room and even your own movements. All that energy -- normally wasted -- can potentially help power your portable and wearable gadgets, from biometric sensors to smart watches.
Small scale energy harvesters show large scale impact
The production of nano-scale devices has drastically increased with the rise in technological applications, yet a major drawback to the functionality of nano-sized systems is the need for an equally small energy resource.
Creating new physical properties in materials
This work shows that new physical properties can be created artificially, reporting the piezoelectric effect in the artificially designed new phase of SrTiO3, a material that is not piezoelectric under normal conditions.
New ultrasound-powered actuator to develop micro robot
The quest to develop a wireless micro-robot for biomedical applications requires a small-scale "motor" that can be wirelessly powered through biological media.
Research shows remarkable interaction of light
The amount of light, passing through an opaque layer, can be enhanced using smart techniques. At the same time, the amount of reflected light diminishes, researchers now show.
Cicada wings inspire antireflective surfaces
A team of Shanghai Jiao Tong University researchers has used the shape of cicada wings as a template to create antireflective structures fabricated with one of the most intriguing semiconductor materials, titanium dioxide.