Bouncing backpack is easier to carry and generates electricity

A backpack fitted with shock absorbers that react to the wearer’s movement makes it feel easier to carry while also generating enough electricity to power LEDs Source: https://www.newscientist.com/article/2266518-bouncing-backpack-is-easier-to-carry-and-generates-electricity/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…

Razer Has Created a Concept N95 Mask With RGB and Voice Projection

Razer has created a concept reusable N95 respirator called Project Hazel, featuring Chroma RGB LEDs and microphones and amplifiers to project your voice. The Verge reports: It’s a concept design with a glossy outside shell made of waterproof and scratch-resistant recycled plastic, which is transparent to allow for lip-reading and seeing facial cues when you chat with people. Currently, there isn’t…

Sony Publishes An Official Linux Driver For PS5 DualSense Controllers

Sony has published a new “hid-playstation” Linux kernel driver for bringing up the PlayStation 5 DualSense controller and will also be used for supporting other PlayStation hardware on Linux. Phoronix reports: This new Linux kernel driver supports the PlayStation 5 “DualSense” game controller both in USB and Bluetooth modes. All key functionality along with LEDs, motion sensors, touchpad, battery, lightbar, and…

Satellites with flashing LEDs could help avoid catastrophic collisions

It’s difficult to keep track of satellites in Earth’s orbit and avoid collisions – making them flash dimly should help, without interfering with astronomical work Source: https://www.newscientist.com/article/2259837-satellites-with-flashing-leds-could-help-avoid-catastrophic-collisions/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…

Dell Adding Hardware Privacy Driver For Linux

According to Phoronix, a Dell privacy driver is is being prepared for the Linux kernel. From the report: Beginning in Dell’s 2021 laptop models they are providing hardware-based “privacy buttons” to disable microphone and camera support. These new Dell privacy buttons are basically hardware kill switches for the microphone and web camera video stream. The Dell privacy driver sent out on…

Detecting individual nuclear spins with single rare-earth ions hosted in crystals

Rare-earth minerals are a class of materials with similar properties that are currently used to build a variety of devices, including LEDs, rechargeable batteries, magnets, lasers, and much more. These materials’ electron spins can be hosted in crystals, creating systems with unique characteristics that could serve as interfaces between telecom-band photons and long-lived spin quantum bits. …

Exotic new topological state discovered in Dirac semimetals

Fundamental research in condensed matter physics has driven tremendous advances in modern electronic capabilities. Transistors, optical fiber, LEDs, magnetic storage media, plasma displays, semi-conductors, superconductors—the list of technologies born of fundamental research in condensed matter physics is staggering. Scientists working in this field continue to explore and discover surprising novel phenomena that hold promise for tomorrow’s technological advances. …

Colloidal quantum dot laser diodes are just around the corner

Los Alamos scientists have incorporated meticulously engineered colloidal quantum dots into a new type of light emitting diodes (LEDs) containing an integrated optical resonator, which allows them to function as lasers. These novel, dual-function devices clear the path towards versatile, manufacturing-friendly laser diodes. The technology can potentially revolutionize numerous fields from photonics and optoelectronics to chemical sensing and medical diagnostics. …

Hologram-Like Device Animates Objects Using Ultrasound Waves

An anonymous reader quotes a report from The Guardian: Researchers in Southampton have built a device that displays 3D animated objects that can talk and interact with onlookers. A demonstration of the display showed a butterfly flapping its wings, a countdown spelled out by numbers hanging in the air, and a rotating, multicolored planet Earth. Beyond interactive digital signs and animations,…

We can now make animated ‘sound holograms’ that you can touch

Using a polystyrene bead, some speakers and a handful of LEDs, it is possible to make colourful animated 3D holograms that a user can touch and interact with Source: https://www.newscientist.com/article/2223325-we-can-now-make-animated-sound-holograms-that-you-can-touch/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…