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Category: mobile phones – Page 20

Researchers at the Indian Institute of Science (IISc) have developed a brain-inspired analog computing platform capable of storing and processing data in an astonishing 16,500 conductance states within a molecular film. Published today in the journal Nature, this breakthrough represents a huge step forward over traditional digital computers in which data storage and processing are limited to just two states.

Such a platform could potentially bring complex AI tasks, like training Large Language Models (LLMs), to personal devices like laptops and smartphones, thus taking us closer to democratizing the development of AI tools. These developments are currently restricted to resource-heavy data centers, due to a lack of energy-efficient hardware. With silicon electronics nearing saturation, designing brain-inspired accelerators that can work alongside silicon chips to deliver faster, more efficient AI is also becoming crucial.

“Neuromorphic computing has had its fair share of unsolved challenges for over a decade,” explains Sreetosh Goswami, Assistant Professor at the Centre for Nano Science and Engineering (CeNSE), IISc, who led the research team. “With this discovery, we have almost nailed the perfect system—a rare feat.”

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Researchers say they’ve built and tested a ‘structural battery’ that packs a device or EV’s chassis with energy, saving a ton of weight. It could unlock smartphones as thin as credit cards, laptops at half the weight and a 70% boost to EV range.

EVs rely heavily – pun intended – on large lithium-ion batteries to cover long distances. Researchers at Chalmers University of Technology wondered if they could build a battery that doubles as the load-bearing material holding the car together, and shed some weight.

As part of their work on what they call ‘massless energy storage,’ the research team in Sweden has developed a battery made of a carbon fiber composite. It promises similar stiffness to aluminum, while also being capable of storing a fair bit of energy – enough to be used commercially.

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Back in August 2021, LA-based Portl launched a 7-ft-tall hologram projection box for life-like remote communications. Now renamed Proto, the company has revealed that its Epic technology is allowing cancer patients to consult life-size virtual specialists.

Proto was founded in 2018 by David Nussbaum, who took his experience working on huge holograms for arena gigs, movie premieres and fashion shows to produce a hologram in a box called the Epic. The idea is to plonk the machine in a venue, university, boardroom, medical facility and so on, and allow folks to chat with a life-like 3D hologram of a person who might be thousands of miles away.

So instead of a tiny image on a smartphone screen, the viewer essentially gets to interact with someone as if they’re actually in the room for a more natural communications experience. LED lighting inside the box helps with shadows and reflections for added realism, the front of the unit is touch-enabled, microphones and speakers are cooked in, and there are AI-powered cameras onboard too.

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A novel acoustic attack named ‘PIXHELL’ can leak secrets from air-gapped and audio-gapped systems, and without requiring speakers, through the LCD monitors they connect to.

In a PIXHELL attack, malware modulates the pixel patterns on LCD screens to induce noise in the frequency range of 0–22 kHz, carrying encoded signals within those acoustic waves that can be captured by nearby devices such as smartphones.

The researchers’ tests showed that data exfiltration is possible at a maximum distance of 2 meters (6.5 ft), achieving a data rate of 20 bits per second (bps).

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A hot potato: For almost as long as we’ve had smartphones, there has been the belief that they surreptitiously listen to our spoken conversations to serve us targeted ads; most people have experienced seeing an ad on Facebook for something they were recently talking about. It’s always been claimed that this type of privacy invasion doesn’t happen. However, a marketing agency, whose clients included Facebook and Google, has admitted to using an “Active Listening” feature that eavesdrops on conversations via phone mics to gather data.

A pitch deck from Cox Media Group (CMG), seen by 404 Media, states that the marketing firm uses its AI-powered Active Listening software to capture real-time data by listening to phone users’ conversations. The slide adds that advertising clients can pair the gathered voice data with behavioral data to target in-market consumers.

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A newly developed transistor device has shown exceptional levels of resilience in tests, performing so well, in fact, that it promises to transform the electronics and gadgets we make use of each day.

These tiny toggles are essential in just about every modern day electronic device, involved in storing data and processing information in a binary ‘on’ or ‘off’ state, switching back and forth multiple times a second.

Thanks to its remarkable combination of speed, size, and resilience to wear, this latest design potentially represents a huge upgrade for consumer devices like phones and laptops, as well as the data centers that store all of our information in the cloud.

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Why do we take so many selfies? Because we are afraid of dying, say psychologists.

Many of us have phones filled with selfies documenting everything from holidays to duvet days.

But what’s behind the modern fascination with taking photos of ourselves?

Psychologists have come up with a rather morbid answer: fear of dying.

Researchers from Tel Aviv University in Israel quizzed 100 students on the motivations behind their selfie-taking.

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