Archive for the ‘electronics’ category: Page 10

Nov 5, 2021

Samsung invests in DigiLens XR glasses firm at valuation over $500M

Posted by in categories: augmented reality, electronics

DigiLens has raised funding from Samsung Electronics in a round that values the augmented reality smart glasses makers at more than $500 million.

Sunnyvale, California-based DigiLens did not say the exact amount it raised for the development of its extended reality glasses (XR), which will offer AR features, such as overlaying digital images on what you see.

DigiLens CEO Chris Pickett said in a previous interview with VentureBeat that the latest smart glasses are more advanced than models the company showed in 2019.

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Nov 3, 2021

How to Make a Metal Detector From old TV

Posted by in categories: cybercrime/malcode, electronics

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Oct 24, 2021

Mini mass specs are still looking for an audience

Posted by in categories: biotech/medical, electronics

Mini mass spectrometry can lead to essentially a real life tricorder #startrek

Mass Spectrometry.

Mini mass specs are still looking for an audience.

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Oct 5, 2021

Combustion creates Braille display for electronics

Posted by in categories: electronics, engineering

Imagine an iPad or a Kindle for the blind, with inflatable Braille that changes shape under a user’s touch. A Cornell-led collaboration has made a crucial component for such a technology: A haptic array of densely packed actuators that cause silicone membrane “dots” to pop up when triggered by combustion.

The team’s paper, “Valveless Microliter Combustion for Densely Packed Arrays of Powerful Soft Actuators,” published Sept. 28 in Proceedings of the National Academy of Sciences. The lead author is doctoral student Ronald Heisser.

One of the major hurdles for designing a dynamic Braille display for electronics is figuring out how to apply the necessary amount of force for each dot. Previous attempts have usually involved motors, hydraulics or tethered pumps, all of which are cumbersome, complex and expensive, according to Rob Shepherd, associate professor of mechanical and aerospace engineering in the College of Engineering and the paper’s senior author.

Sep 24, 2021

A New Battery-Free System Gives Devices an ‘Infinite Lifetime’

Posted by in categories: electronics, energy

The newly developed battery-free system runs on harvested energy and can help massively reduce the growing e-waste problem.

Sep 22, 2021

Scientists build the ‘smallest-ever human-made flying structure’

Posted by in category: electronics

They’re just the size of a grain of sand, but the microfliers can carry data-collecting sensors.

Sep 20, 2021

New gravitational wave detector picks up possible signal from the beginning of time

Posted by in categories: electronics, physics

Bumps in detector could point to new physics.

Physicists turned on a new type of gravitational-wave sensor and saw two intriguing results, but they aren’t yet ready to claim a discovery.

Sep 17, 2021

Triple Monitor Luggable PC Is An All In One Powerhouse

Posted by in categories: computing, electronics

[Matt] from [DIY Perks] has made a name for himself building nice custom computing machines, and his latest triple-monitor luggable PC (video after the break) is sure to give most high-performance desktop machines a run for their money.

The large central monitor folding laptop monitors mounted vertically on either size look impressive, but only just scratches the surface of this build. Hidden behind aluminum panels are Ryzen 5950X CPU and RTX 3,080 GPU with water cooling, 64 GB of RAM, and two 8 TB SSDs. A set of high-quality speaker drivers, subwoofer, and audio amps is also included. All this hardware pulls about 600 W of power from a large DC-DC converter block, which in turn receives power from either a pair of onboard AC-DC converters or a 16 V – 63 V DC source, like a battery system.

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Sep 16, 2021

Woman Resurrected After Being Clinically Dead for 45 Minutes

Posted by in categories: biotech/medical, electronics

Kathy Patten, a grandmother from Baltimore, suffered a heart attack and spent 45 long minutes clinically dead. But some intense CPR actually managed to bring her back to life, giving her a second chance that local news stations are calling a “medical miracle.”

Patten has reportedly made an almost full recovery, something that is exceedingly rare. While TV dramas give the impression that CPR is often successful, the reality is grim. Only around 10.6 percent of those who experience cardiac arrest are later discharged from the hospital, according to a 2018 study, though those numbers fluctuate depending the severity and timing of the incident.

“I’m so grateful God gave me a second chance,” Patten told CBS affiliate WJZ-TV. “I’m just going to be the best person I can be. It’s very scary, coming back is a second chance of life.”

Sep 10, 2021

Researchers unveil ransomware detection and recovery method for SSDs

Posted by in categories: cybercrime/malcode, electronics

Forward-looking: A team of researchers have devised a new method for protecting SSDs from ransomware attacks. It can detect ransomware, stop it in its tracks, and even recover stolen data in a matter of seconds. The cost should only be a minor increase in the SSD’s latency.

The Register spoke with the researchers, who come from Inha University, the Daegu Gyeongbuk Institute of Science & Technology (DGIST), the University of Central Florida (UCF), and the Cyber Security Department at Ewha Womans University (EWU). The system, called SSD-Insider, is supposedly almost 100 percent accurate and has been tested on real-world ransomware.

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