Menu

Blog

Archive for the ‘electronics’ category: Page 7

Apr 2, 2022

The Real Minesweepers Are Changing Lives and Saving Limbs

Posted by in categories: electronics, materials

And it could mean signs of the war will remain for a long time. Reports are in that Russian forces are laying “smart” landmines in Ukraine that are only able to target soldiers. Called the POM-3 “Medallion” landmine, these anti-personal weapons are activated, allegedly, specialist seismic target sensors.


Once the conflict ends, it is important to begin the process of “demining.” The goal is to clear the land of any explosive devices that pose a risk to the population. Currently, there are an estimated 110 million landmines scattered across dozens of war-torn countries, and approximately 26,000 people per year (or roughly 70 people per day) die due to these devices.

Many die while trying to collect parts of the metal mines for scrap, or by accidentally triggering the mines. Here’s a look at a few different technologies, both old and new, that are working to clear affected areas of these destructive weapons.

Continue reading “The Real Minesweepers Are Changing Lives and Saving Limbs” »

Apr 2, 2022

This portable lantern hosts a customizable OLED screen that transforms into a projection screen

Posted by in categories: biotech/medical, electronics

Rén is a customizable lantern with an integrated OLED screen for users to project whatever moving images or videos they’d like.

Over the past few years, we’ve learned to prioritize what is most important to us. From going to the virtual family reunion to getting creative in the arts, we’re keeping the stuff that matters most to us extra close. Since the pandemic has transformed many of those experiences into digital ones, designers shave been getting creative in making them as large as real life, and sometimes even larger.

Designer: Merve Nur Sökme

Continue reading “This portable lantern hosts a customizable OLED screen that transforms into a projection screen” »

Mar 30, 2022

St Louis’s new fleet of 18 New Flyer electric buses powered by ABB chargers

Posted by in categories: electronics, sustainability

The city of St. Louis, Missouri fleet plans to deploy 18 electric buses on the city’s busiest routes. Charging infrastructure for the 60-seat New Flyer buses will be provided by Swiss/Swedish electronics giant ABB.

St. Louis transit agency Metro Transit says it expects the e-buses to reduce carbon emissions by 100 to 160 tons per year, and to deliver up to $125,000 in maintenance savings and $400,000 in fuel savings over their 12-year lifespan.

ABB will provide 23 Buy America-compliant chargers, with a total of over 4.35 MW of charging capacity. ABB’s sequential charging system consists of 20 plug-in depot chargers, each with 150 kW of power, and three additional pantograph chargers. St. Louis’s buses can be fully charged in one hour. ABB says its fast-charging system easily integrates with existing transit schedules, so cities can switch to zero-emission buses without disrupting existing routes.

Continue reading “St Louis’s new fleet of 18 New Flyer electric buses powered by ABB chargers” »

Mar 30, 2022

Researchers Used a Decommissioned Satellite to Broadcast Hacker TV

Posted by in categories: electronics, satellites

What happens when an old satellite is no longer in use but can still broadcast? Hacker shenanigans, that’s what.

Mar 30, 2022

Samsung and Western Digital Team Up for ZNS SSDs

Posted by in categories: computing, electronics

The two storage companies will jointly develop and promote zoned storage technologies.

Mar 29, 2022

Why quantum sensors are the ‘stepchild’ of quantum technologies

Posted by in categories: electronics, quantum physics

The diversity of quantum sensing applications is exciting for scientists, but challenging for potential investors.

Mar 29, 2022

Team at Borexino shows it is possible to have directional and energy sensitivity when studying solar neutrinos

Posted by in categories: electronics, particle physics

A group of researchers working with data from the Borexino detector at the Laboratori Nazionali del Gran Sasso in Italy, has shown that it is possible to measure solar neutrinos with both directional and energy sensitivity. Two teams within the group have written papers describing the work by the group—one of them has published their work in Physical Review D, the other in Physical Review Letters.

The Borexino detector was first proposed back in 1986 and its structure was completed in 2004. In May of 2007, it began providing researchers with data. Its purpose has been to measure neutrino fluxes in proton-proton chains. The detector, which is currently being dismantled, was made using 280 metric tons of radio-pure liquid scintillator which was shielded by a layer of water. Detections were made as scattered off electrons in the scintillator—the light that was emitted was picked up by sensors lining the tank.

For most of its existence, data from the Borexino detector was an excellent source of high-resolution sensitivity data down to low energy thresholds, but it offered little in the way of directional trajectories. In this new effort, the researchers found a way to use the data from the detector with data from another detector to provide trajectory information.

Mar 29, 2022

Scientists discover a new “speed limit” for all electronic devices

Posted by in category: electronics

Mar 28, 2022

Phison: Enthusiast PCIe 5.0 SSDs Will Require Active Cooling

Posted by in categories: computing, electronics

Active cooling will be required for high-performance PCIe 5.0 SSDs, as other drives will get hotter.

Mar 26, 2022

DIY SLS 3D Printer Getting Ready To Print

Posted by in categories: electronics, materials

Ten years ago the concept of having on our desks an affordable 3D printer knocking out high quality reproducible prints, with sub-mm accuracy, in a wide range of colours and material properties would be the would be just a dream. But now, it is reality. The machines that are now so ubiquitous for us hackers, are largely operating with the FDM principle of shooting molten plastic out of a moving nozzle, but they’re not the only game in town. A technique that has also being around for donkeys’ years is SLS or Selective Laser Sintering, but machines of this type are big, heavy and expensive. However, getting one of those in your own ‘shop now is looking a little less like a dream and more of a reality, with the SLS4All project by [Tomas Starek] over on hackaday.io.

[Tomas] has been busy over the past year, working on the design of his machine and is now almost done with the building and testing of the hardware side. SLS printing works by using a roller to transfer a layer of powdered material over the print surface, and then steering a medium-power laser beam over the surface in order to heat and bond the powder grains into a solid mass. Then, the bed is lowered a little, and the process repeats. Heating of the bed, powder and surrounding air is critical, as is moisture control, plus keeping that laser beam shape consistent over the full bed area is a bit tricky as well. These are all hurdles [Tomas] has to overcome, but the test machine is completed and is in a good place to start this process control optimisation fun.

Hardware-wise, the frame is the usual aluminium extrusion and 3D printed affair, with solid aluminium plates all over the place where needed. Electronics are based around a Raspberry Pi (running Klipper) with a BigTreeTech 1.4 turbo mainboard handling the interfacing. The 5W blue laser is steered over the powder surface using a pair of galvanometers, which sounds easier to get right than it will be — we fully expect there to be some ‘fun’ to control the spot size and shape as well as ensure that it stays consistent over the full area of the build surface. Definitely fun times, and fingers crossed that [Tomas] irons out the details and gets some good prints out of it soon!

Page 7 of 80First4567891011Last