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Technology advance lays groundwork for OCT eye imaging at home

“Inexpensive laser could increase access to OCT imaging, helping to catch eye problems early Researchers have shown that a vertical cavity surface emitting laser (VCSEL) diode, which is commonly used in telecommunications and lidar applications, could offer a less expensive …

Tiny quantum electronic vortexes in superconductors can circulate in ways not seen before

“Within superconductors little tornadoes of electrons, known as quantum vortices, can occur which have important implications in superconducting applications such as quantum sensors. Now a new kind of superconducting vortex has been found, an international team of researchers reports. Egor …

Turning a circle into a square is possible with this kirigami-inspired formula

“A study inspired by the Japanese paper-cutting art provides a blueprint for designing shape-shifting materials and devices. Kirigami takes pop-up books to a whole new level. The Japanese paper craft involves cutting patterns in paper to transform a two-dimensional sheet …

Understanding the Tantalizing Benefits of Tantalum for Improved Quantum Processors

“Scientists decode the chemical profile of tantalum surface oxides to understand loss and improve qubit performance. Whether it’s baking a cake, building a house, or developing a quantum device, the quality of the end product significantly depends on its …

With light into the nanoworld

“It sounds like trying to scan a record with a hammer: light is actually too “coarse” to image small particles on the nanometer scale. However, in their project “SuperCol”- funded by the European Union - scientists want to achieve just that …

10-Month Voyage Proves Solar Cell Material Survives, Thrives in Space

“Dr. Lyndsey McMillon-Brown was hoping to see anything but mustard yellow. When the NASA research electrical engineer clicked open the photo of a small sample – a swatch of film no bigger than a sticky note – she let out a cheer …

A better way to match 3D volumes

“By mapping the volumes of objects, rather than their surfaces, a new technique could yield solutions to computer graphics problems in animation and CAD. In computer graphics and computer-aided design (CAD), 3D objects are often represented by the contours of …

An electric vehicle battery for all seasons

“Many owners of electric vehicles worry about how effective their battery will be in very cold weather. Now a new battery chemistry may have solved that problem. In current lithium-ion batteries, the main problem lies in the liquid electrolyte. This …

Boost for the quan­tum inter­net

“A quarter of a century ago, theoretical physicists at the University of Innsbruck made the first proposal on how to transmit quantum information via quantum repeaters over long distances which would open the door to the construction of a worldwide …

Chip-based QKD achieves higher transmission speeds

“Quantum key distribution system based on integrated photonics lays groundwork for network implementation Researchers have developed a quantum key distribution (QKD) system based on integrated photonics that can transmit secure keys at unprecedented speeds. The proof-of-principle experiments represent an important …