Revolutionary Light-Emitting Silicon – “Holy Grail” Breakthrough After 50 Years of Work
Breakthrough after 50 years of work paves the way for photonic chips. Emitting light from silicon has been the ‘Holy Grail’ in the microelectronics industry…
Electrical Engineering
Nanoscale Device Generates High-Power THz Waves That Can See Through Walls
Researchers at EPFL have developed a nanodevice that operates more than 10 times faster than today’s fastest transistors, and about 100 times faster than the…
Reinventing the Mirror to Transform Antennas, Wireless and Cell Phone Communications
Electronically controlled 2-D reflector promises improved microwave communications, beam steering without moving pieces, and one-way microwave mirrors. Researchers at Los Alamos National Laboratory are…
MIT Aims to Turn Wi-Fi Signals Into Usable Power With Energy-Harvesting Design
Device for harnessing terahertz radiation might enable self-powering implants, cellphones, other portable electronics. Any device that sends out a Wi-Fi signal also emits terahertz waves…
Biologically Inspired Ultrathin Arrayed Camera Captures Super-Resolution Images
Ultrathin but fully packaged high-resolution camera. The unique structures of biological vision systems in nature inspired scientists to design ultra-compact imaging systems. A research group…
A New Kind of Light in the Universe? “Super-Planckian” Material Emits Light That Exceeds Limits of Natural Law
Could there be a new kind of light in the universe? Since the late 19th century, scientists have understood that, when heated, all materials emit…
“Happy Accident” Cracks 58-Year-Old Puzzle on Way to Quantum Computing Breakthrough
A happy accident in the laboratory has led to a breakthrough discovery that not only solved a problem that stood for more than half a…
Fastest High-Precision 3D Printer – Unmatched Speed With Submicrometer Accuracy
KIT scientists develop new 3D system to print structures of submicrometer accuracy at record speed. 3D printers working in the millimeter range and larger are…
Light Flows Around Corners Unhindered and Without Reflecting in Special Material
Topology Protects Light Propagation in Photonic Crystal Researchers of research institute AMOLF and TU Delft have seen light propagate in a special material without it…
New Efficiency Record Set by Novel Multi-Material Solar Cells
Researchers create highly efficient and stable tandem solar cell, one of the best-performing reported to date. Researchers from the University of Toronto Engineering and King…
Underwater Smart Glue Goes From Sticky to Not With a Small Zap of Electricity
With a small zap of electricity, biomedical engineers at Michigan Technological University take an underwater smart glue prototype from sticky to not in seven seconds….
Surprise: Data Centers Use Less Energy Than You Think
New, comprehensive analysis presents a more nuanced presents of global energy use. If the world is using more and more data, then it must be…
Next Era of Computing: What if We Could Teach Photons to Behave Like Electrons?
The next era of computing will depend on controlling light the way we now control electricity, and Stanford scientists have developed a trick that could…
New Battery Can Self-Charge Without Losing Energy
Researchers use a ferroelectric glass electrolyte within an electrochemical cell to create simple self-charging batteries. A new type of battery combines negative capacitance and negative…
New Layered Magnetic Material Has Properties Useful for Twistronic Devices and Spintronics
New material has highest electron mobility among known layered magnetic materials. Properties make it a promising candidate for new areas like magnetic twistronic devices and…
Better Lithium-Ion Batteries Possible With Nanoscale Molecular View of Self-Assembling Structure
Scientists Learn More about the First Hours of a Lithium-ion Battery’s Life The first hours of a lithium-ion battery’s life largely determine just how well…
New Droplet-Based Electricity Generator: A Drop of Water Can Light Up 100 LED Bulbs
Generating electricity from raindrops efficiently has gone one step further. A research team led by scientists from the City University of Hong Kong (CityU) has recently…
Detection of Terahertz Electromagnetic Waves Could Revolutionize Electronics
University of California Riverside-led research has applications in ultrafast and spin-based nanoscale devices. A team of physicists has discovered an electrical detection method for terahertz…