It achieves resolution better than 40cm from 2.1km altitude using around two photons per pixel, in the face of 10,000 daylight noise photons per pixel. Created by the University of Science and Technology of China, the lidar combines three 150mA 1.55μm lasers shining 1ns pulses onto the ground through their own telescopes. Reflections are directed […]
Transform-limited photon emission and high temperature operation make PbV centers suitable building blocks for scalable quantum networks. Credit: Tokyo Tech Much like how electric circuits use components to control electronic signals, quantum networks rely on special components and nodes to transfer quantum information between different points, forming the foundation for building quantum systems. In the […]
Hyperspectral imaging is the most comprehensive of the three common image processing technologies. The other two technologies are red-green-blue (RGB) imaging and multispectral imaging. All three are noninvasive and nondestructive and give engineers and scientists different ways to analyze objects. RGB imaging can be quick and inexpensive to implement and provides basic information about an […]
“Research progress on p-type amorphous semiconductors has been notably sluggish,” according to the Pohang University of Science and Technology (PosTech). “Despite the widespread adoption of n-type amorphous oxide semiconductors, particularly those based on IGZO [indium gallium zinc oxide] in OLED displays and memory devices, the advancement of p-type oxide materials has been impeded by numerous […]
Illustration of a pulse tube refrigerator. Credit: S. Kelley/NIST By modifying a refrigerator commonly used in both research and industry, researchers at the National Institute of Standards and Technology (NIST) have drastically reduced the time and energy required to cool materials to within a few degrees above absolute zero. The scientists say that their prototype […]
The differences between running robots and animals enhances integration and control, aiming for progress in delivery, search, and hazardous tasks. Credit: Unsplash/CC0 Public Domain For decades, robotics engineers have dedicated extensive efforts and significant financial resources to develop robots capable of walking or running as proficient as animals. Despite these endeavors, it still stands true […]
Signals in the mmWave range require extra care and more expensive components than at sub-6 GHz frequencies. Data demands keep pushing for more bandwidth in wireless networks, and this trend will surely continue. AI, autonomous vehicles, AR/VR, and other technologies will see to that. The mmWave spectrum allocated for 5G can meet the bandwidth needs, […]
Introduction Power electronics play a crucial role in modern electrical engineering, essential for efficiently converting, controlling, and managing electrical power within circuits. These components are designed to handle high voltages, currents, powers, and temperatures, making them vital for various industries. Within power electronics, components are broadly categorized into passive components, such as power resistors, diodes, […]
Key Things to Know: Challenges in Wearable Electronics: Wearable medical devices face significant challenges such as data security, accuracy, interoperability, regulatory compliance, and user experience, which must be addressed to enhance their effectiveness in healthcare. Advanced Material Solutions: Researchers at the City University of Hong Kong have developed ‘super wearable’ electronics, which are lightweight, stretchable, […]