signals

18 Articles
Reflected Wi-Fi signals could enable robots to find and manipulate hidden objects
Tech

Reflected Wi-Fi signals could enable robots to find and manipulate hidden objects

A new system enables a robot to use reflected Wi-Fi signals to identify the shape of a 3D object that is hidden from...

Israeli attacks kill at least 51 as Trump signals progress in Gaza talks | Gaza News
World News

Israeli attacks kill at least 51 as Trump signals progress in Gaza talks | Gaza News

Israeli attacks have killed at least 51 people in the Gaza Strip, including 14 Palestinians who were waiting near aid distribution centres, medical...

Electric car warning signals prove hard to locate at low speeds, study finds
Tech

Electric car warning signals prove hard to locate at low speeds, study finds

Using a toy gun converted into a laser pointer, a test subject in Chalmers’ acoustics lab tries to locate warning sounds from electric...

New system reliably controls prosthetic hand movements without relying on biological signals
Tech

New system reliably controls prosthetic hand movements without relying on biological signals

The autonomous prosthetic hand grasping a bottle using vision and touch sensors. Credit: Kaijie Shi, Xianta Jiang’s Lab, Memorial University. The loss of...

Hackers could use smartwatches to eavesdrop on air-gapped computers via ultrasonic signals
Tech

Hackers could use smartwatches to eavesdrop on air-gapped computers via ultrasonic signals

Illustration of the attack model. A programmer working in front of a highly secure or air-gapped computer wears a smartwatch on their wrist....

Iran doubles down as US signals Israel could strike during nuclear talks | News
World News

Iran doubles down as US signals Israel could strike during nuclear talks | News

Tehran, Iran – Iranian authorities have remained defiant amid concerns that Israel could launch an attack on Iran as the global nuclear watchdog adopts another Western-led censure resolution. Even as...

Transmitting clear signals over long distances using nonlinear math
Tech

Transmitting clear signals over long distances using nonlinear math

Schematic view of (A) self-feedback and (B) cross-feedback systems. Dashed lines indicate delayed transmission lines. Credit: arXiv (2024). DOI: 10.48550/arxiv.2411.01965 A team of...

Jeep signals the end of an era for gas guzzling off-roaders, as all-new compass goes hybrid or electric only
Tech

Jeep signals the end of an era for gas guzzling off-roaders, as all-new compass goes hybrid or electric only

Off-road giant Jeep wants to continue growing in Europe Gas-guzzling SUVs have been replaced by hybrid and electric New Compass is set to...

Combining electrical and force signals boosts prosthetic hand accuracy
Tech

Combining electrical and force signals boosts prosthetic hand accuracy

Graduate student Peyton Young works with a robotic arm controlled by electromyography (EMG) signals. Young has now developed a technique to use pressure...