News

Manufacturing Method Creates Organic Solar Cells With Improved Efficiency

New research findings contradict a fundamental assumption about the functioning of "organic" solar cells made of low-cost plastics, suggesting a new strategy for creating inexpensive solar technology. Because organic solar cells are flexible, they could find new applications that are unsuitable for rigid silicon cells such as photovoltaics integrated into buildings, and they have the potential to be lower-cost and less energy-intensive to manufacture than silicon devices.

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High-Definition 3D Lossless Imaging System

The imaging process is often affected by the field of view, wavefront aberration, ambient light, as well as the resolution of optical imaging system and detector. As a result, the image information of the object cannot be accurately transferred to the image plane, resulting in distortion, deviation, and noise convolution that affect the ultimate image quality.

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Imaging Innovation Delivers Spatial and Spectral Info Simultaneously

Using physical chemistry methods to look at biology at the nanoscale, a Lawrence Berkeley National Laboratory researcher invented a new technology to image single molecules with unprecedented spectral and spatial resolution, thus leading to the first “true-color” super-resolution microscope. The innovation is called SR-STORM, or spectrally resolved stochastic optical reconstruction microscopy. Because SR-STORM gives full spectral and spatial information for each molecule, the technology opens the door to high-resolution imaging of multiple components and local chemical environments, such as pH variations, inside a cell.

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Depth-Sensing Camera Captures 3D Information in Sunlight and Darkness

Depth-sensing cameras, such as Microsoft’s Kinect controller for video games, have become widely used 3-D sensors. Now, a new imaging technology addresses a major shortcoming of these cameras: the inability to work in bright light, especially sunlight. The key is to gather only the bits of light the camera actually needs. The researchers created a mathematical model to help program these devices so that the camera and its light source work together efficiently, eliminating extraneous light.

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Object Recognition for Robots

SLAM, or simultaneous localization and mapping, enables mobile autonomous robots to map their environments and determine their locations. SLAM can be used to improve object-recognition systems, a vital component of future robots that have to manipulate the objects around them in arbitrary ways. A new system developed at MIT uses SLAM information to augment existing object-recognition algorithms. And because a SLAM map is three-dimensional, it does a better job of distinguishing objects that are near each other than single-perspective analysis can.

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NASA’s Wi-Fi Reflector Chip Speeds Up Wearables

Whether you're tracking your steps, monitoring your health, or sending photos from a smart watch, you want the battery life of your wearable device to last as long as possible. NASA's Jet Propulsion Laboratory in Pasadena, California, is working on microchips for wearable devices that reflect wireless signals instead of using regular transmitters and receivers. Their solution transmits information up to three times faster than regular Wi-Fi.

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Small, Modular Fusion Plant Brings Power Source Closer to Reality

Advances in magnet technology have enabled researchers at MIT to propose a new design for a practical compact tokamak fusion reactor — and it’s one that might be realized in as little as a decade, they say. The era of practical fusion power, which could offer a nearly inexhaustible energy resource, may be coming near.

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