Category: Tech

Optimal Brain Processing: The Key Role of Excitatory-Inhibitory Balance

2025-03-10
Optimal Brain Processing: The Key Role of Excitatory-Inhibitory Balance

New research reveals a crucial aspect of brain information processing: the balance between excitatory and inhibitory neuronal activity is key to optimal information encoding. Researchers from the University of Padova, the Max Planck Institute for the Physics of Complex Systems, and EPFL used mathematical models and information theory to show that balanced activity of these two neuron types enables efficient information processing, accurately encoding both long-timescale and rapidly changing inputs. This finding offers new insights into brain information processing and guides future neuroscientific research.

Microsoft's Quiet Breakup with OpenAI: An AI Power Struggle

2025-03-10
Microsoft's Quiet Breakup with OpenAI: An AI Power Struggle

Microsoft is quietly distancing itself from OpenAI, developing its own in-house reasoning model, MAI, and testing models from xAI, Meta, and DeepSeek as potential ChatGPT replacements in Copilot. Driven by concerns over ChatGPT's cost and speed, and hampered by OpenAI's reluctance to share documentation on its o1 model, Microsoft's massive investment and initial partnership seem to be dissolving into a fierce AI competition. Both companies are vying for market share, promising an exciting future for the AI landscape.

Tech

Tesla Used Car Prices Plummet Amidst Growing Competition

2025-03-10
Tesla Used Car Prices Plummet Amidst Growing Competition

The used car market is booming! Driven by historically high new car prices, consumers are flocking to the pre-owned market for better deals. Used Tesla Model Ys, in particular, have seen prices drop over $6,000 in the past year, with some low-mileage models available for under $30,000. Used Model 3s are even cheaper, with some high-mileage options dipping below $15,000. This trend is linked to the launch of new Tesla models, increased competition, and shifting consumer search preferences. A surge in rival EV manufacturers is giving consumers more choices, challenging Tesla's market dominance.

Tech

The Quirky Tales of Green Bank Observatory: Old Cars, Starry Skies, and RFI Battles

2025-03-10
The Quirky Tales of Green Bank Observatory: Old Cars, Starry Skies, and RFI Battles

This concluding part of a series recounts the unique challenges and triumphs of the National Radio Astronomy Observatory (NRAO) in Green Bank, West Virginia. From its fleet of antique diesel cars, necessary to avoid radio frequency interference (RFI), to its simple teaching telescope used for educational outreach, the story reveals the dedication and ingenuity of NRAO's staff. The article details the intricacies of the observatory's 40-foot telescope, the massive Green Bank Telescope (GBT), and the RFI monitoring station, while highlighting the harmonious relationship cultivated between NRAO and the local community, even amidst historical conflicts and ongoing battles against RFI from various sources, including military aircraft.

Nearby Galaxy's Hidden Monster: Hypervelocity Stars Reveal Supermassive Black Hole

2025-03-09
Nearby Galaxy's Hidden Monster: Hypervelocity Stars Reveal Supermassive Black Hole

A new study suggests a previously unknown supermassive black hole lurks in the nearby Large Magellanic Cloud. Researchers tracked hypervelocity stars, finding their trajectories didn't originate from our galaxy's central black hole, but rather from a black hole within the Large Magellanic Cloud, estimated to be 600,000 times the mass of our Sun. This strongly supports the existence of a supermassive black hole at the Large Magellanic Cloud's center, offering new insights into galactic evolution. The search is now on to directly detect this hidden object using various telescopes.

Niigata's Geothermal Snow-Melting System: A Clever Solution

2025-03-09
Niigata's Geothermal Snow-Melting System: A Clever Solution

Facing heavy snowfall, Niigata, Japan, developed a clever snow-melting system in the 1960s called 'shosetsu'. This system uses geothermal heat to warm groundwater, which is then pumped through pipes under roads and sprayed onto the asphalt to prevent snow from freezing. Niigata currently has approximately 571 kilometers of roads equipped with this system, offering a more environmentally friendly and car-friendly alternative to traditional salting methods.

Secret Passages Unearthed Beneath Milan's Sforza Castle: A Da Vinci Connection?

2025-03-09
Secret Passages Unearthed Beneath Milan's Sforza Castle: A Da Vinci Connection?

Scientists have discovered a hidden network of underground passages beneath Milan's Sforza Castle using non-destructive methods like ground-penetrating radar and laser scanning. The tunnels, hinted at in a Leonardo da Vinci sketch from around 1495 and historical records, likely served as escape routes or defense mechanisms for soldiers. This discovery underscores Da Vinci's military engineering prowess and highlights the importance of preserving cultural heritage. Further investigation revealed additional tunnels and underground chambers, one possibly leading to the Basilica of Santa Maria delle Grazie, potentially built by the Duke of Milan to access his late wife's tomb. Despite significant historical damage, the castle's subsurface structures retain a wealth of historical information, reminding us that history is often hidden in plain sight.

Info Warfare: Truth and Digital Risks in the Next Conflict

2025-03-09
Info Warfare: Truth and Digital Risks in the Next Conflict

In war, truth is often the first casualty. In the next major conflict, virtually all information could be a victim. Over-reliance on digital communication exposes Western societies to significant risks, as seen in Ukraine's experience with Russia. Hacker groups (both military and criminal) have infiltrated television, the internet, and streaming radio, spreading disinformation, launching denial-of-service attacks, and jamming GPS signals, posing a serious challenge to societal narratives and stability.

Platelet-T Cell Crosstalk in Cancer Metastasis: A Mouse Model Study

2025-03-09
Platelet-T Cell Crosstalk in Cancer Metastasis: A Mouse Model Study

This study uses multiple mouse models to investigate the crucial role of platelet-T cell interactions in cancer metastasis. Through in vivo and in vitro experiments, combined with techniques such as flow cytometry, RNA sequencing, and immunofluorescence microscopy, researchers revealed the mechanisms of specific molecular pathways (e.g., ARHGEF1 and TXA2) in regulating this process. The results suggest that targeting these pathways may offer novel therapeutic strategies for cancer treatment.

Ants' Traffic-Flow Secrets Could Untangle Future Self-Driving Car Gridlock

2025-03-09
Ants' Traffic-Flow Secrets Could Untangle Future Self-Driving Car Gridlock

Researchers studying ant foraging trails have discovered how these insects avoid traffic jams, even at high densities. Ants maintain a nearly constant speed and distance between groups, avoiding overtaking. This cooperative behavior offers a potential solution for programming self-driving cars. By sharing information and coordinating speed and spacing, autonomous vehicles could mimic ants' efficient traffic flow, reducing congestion. While self-driving cars can't climb walls like ants, learning from their 'don't tailgate' strategy could significantly improve human-driven traffic flow.

Ecosia and Qwant Team Up to Build a European Search Index

2025-03-09
Ecosia and Qwant Team Up to Build a European Search Index

Ecosia and Qwant have announced a partnership to create the "European Search Perspective," an independent European search index. This marks a significant step in both companies' pursuit of technological autonomy and data sovereignty. The new index database, initially supporting French and German searches, is slated for launch in 2025 and will provide a foundation for future AI technologies. This initiative aims to enhance the transparency and security of search results and reduce reliance on major tech companies like Google and Bing, ultimately creating a more free environment for green tech development.

Apple Secretly Bolsters iOS and macOS Security with 'Exclaves'

2025-03-09
Apple Secretly Bolsters iOS and macOS Security with 'Exclaves'

Apple is secretly developing a security feature called "exclaves" within its XNU kernel to enhance the security of iOS and macOS. This technology, resembling a microkernel approach, isolates critical functions, protecting the system even if the kernel is compromised. Leveraging new architecture and the Secure Page Table Monitor hardware security, sensitive services are compartmentalized, preventing a single vulnerability from compromising the entire kernel address space. This enhances security for growing on-device AI workloads and cloud interactions.

Tech XNU Kernel

Michael Larabel: 20 Years of Linux Hardware Benchmarking

2025-03-09

Michael Larabel, founder and principal author of Phoronix.com, has dedicated himself since 2004 to enriching the Linux hardware experience. He's penned over 20,000 articles covering Linux hardware support, performance, graphics drivers, and more. Beyond writing, he's the lead developer of automated benchmarking software like the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org. A true pioneer in the Linux open-source world.

Tech

Musk's Efficiency Push: Replacing Thousands of Employees with a Chatbot

2025-03-09
Musk's Efficiency Push: Replacing Thousands of Employees with a Chatbot

Elon Musk's Department of Government Efficiency is undertaking what experts call the largest job cut in American history, attempting to fill the resulting void with a proprietary chatbot called GSAi. Deployed to 1,500 employees at the US General Services Administration (GSA), GSAi is intended to handle "general" tasks like drafting emails and summarizing text. However, employee feedback suggests the chatbot is limited, performing at the level of an intern and producing "generic and guessable answers." Notably, GSAi was in development before Musk's involvement, with other government agencies exploring similar chatbot projects that were shelved due to technical issues. The rushed deployment of GSAi raises questions about its effectiveness and the value of the skills of the employees who were laid off.

Tech

Tesla Sales Plummet Globally: Germany, Australia, and China Hit Hard

2025-03-09
Tesla Sales Plummet Globally: Germany, Australia, and China Hit Hard

Tesla's sales have plummeted in major markets during Q1 2025. Germany saw a 76.3% year-over-year drop in February sales, Australia a 71.9% decline, and China a 49.16% decrease. Despite the launch of the updated Model Y, sales remain sluggish, with the Model 3 experiencing a dramatic fall. This indicates challenges to Tesla's leading position in several key markets, signaling a significant impediment to its global growth trajectory. Possible factors include product fatigue, CEO controversies, market saturation, and the transition surrounding its best-selling Model Y.

Egg Prices Soar: A Monopoly's Grip on the American Breakfast

2025-03-09
Egg Prices Soar: A Monopoly's Grip on the American Breakfast

Egg prices in the US have skyrocketed by 53%, but the avian flu isn't the whole story. An investigation reveals a shocking level of industry consolidation. Two companies control chicken genetics, and Cal-Maine Foods dominates egg production and distribution. By artificially restricting supply, they've created a shortage driving massive profits. This article exposes the oligopoly's control of the American egg industry and its complex web of influence, highlighting a growing problem of monopolies in the US economy.

Tech egg prices

Above the McMillan Limit: Ambient-Pressure Nickel-Based High-Temperature Superconductor Achieved

2025-03-09
Above the McMillan Limit: Ambient-Pressure Nickel-Based High-Temperature Superconductor Achieved

A team of engineers and physicists from Southern University of Science and Technology in China has synthesized a novel nickel-based material exhibiting superconductivity above -233°C (40K) under ambient pressure, surpassing the McMillan limit. They achieved this by synthesizing bilayer nickelate thin films (La₂.₈₅Pr₀.₁₅Ni₂O₇), with one demonstrating high-temperature superconducting properties. This breakthrough promises to revolutionize technologies in maglev trains, fusion reactors, and MRI machines, and advance our understanding of superconductivity.

Europe Launches €240M RISC-V Supercomputer Chip Project

2025-03-09
Europe Launches €240M RISC-V Supercomputer Chip Project

A consortium of 38 tech companies has launched DARE, a €240 million project to develop RISC-V based processors for Europe's supercomputers and high-performance computing systems. The project will create three chiplets: a vector math accelerator from Openchip, a next-gen inference chiplet from Axelera AI, and a general-purpose processor from Codasip. This initiative aims to bolster Europe's digital sovereignty and competitiveness in the global RISC-V landscape, particularly against the US and China.

Trump Admin's VA Cuts: A Devastating Blow to Veterans

2025-03-09
Trump Admin's VA Cuts: A Devastating Blow to Veterans

The Department of Veterans Affairs (VA) plans to cut 83,000 jobs, over 17% of its workforce. This will severely impact veterans' access to healthcare, housing, education, and other benefits. The cuts exacerbate existing challenges veterans face, including healthcare access, rising suicide rates, and worsening social issues. Further, the cuts will weaken the VA's research capabilities, hindering understanding and treatment of veteran health problems. This policy reversal will have profound consequences for those who served the nation.

Tech Veterans

Your Second Brain: The Astonishing Gut-Brain Connection

2025-03-09
Your Second Brain: The Astonishing Gut-Brain Connection

The gut is far more than a digestive organ; it's intricately connected to the brain via the gut-brain axis. Through the vagus nerve and molecular signals in the bloodstream, the gut and brain are in constant communication. The gut microbiome, its neurons, and the molecules they produce influence mood, sleep, cognitive function, and even the development of Parkinson's disease. Research shows impaired gut-brain signaling in long COVID patients leads to cognitive impairment, while alterations in the gut microbiome are linked to exercise motivation and mental health. Targeting the gut microbiome or stimulating the vagus nerve holds promise for treating related diseases.

Trump Admin Cuts Off Crucial F-16 Jamming Support: Ukraine's Response

2025-03-09
Trump Admin Cuts Off Crucial F-16 Jamming Support: Ukraine's Response

The Trump administration cut off vital support for the jamming capabilities of Ukraine's F-16 fighter jets, jeopardizing a critical air countermeasure. However, Ukraine isn't defenseless. They can leverage the jamming capabilities of French Dassault Mirage 2000 fighters, along with promised upgrades to their electronic warfare systems, to compensate for the American shortfall. While not a long-term solution, it buys Ukraine valuable time until more sustainable alternatives can be found.

India's EdTech Crisis: A Call for AI-Powered Learning Ecosystems

2025-03-09
India's EdTech Crisis:  A Call for AI-Powered Learning Ecosystems

An Indian company's hiring process reveals a stark reality: out of 2500 applications, only a handful could complete a simple real-world challenge. The author argues that India's education system stifles independent thinking, producing students dependent on spoon-feeding. The article calls for educational reform, shifting from rote learning to project-based learning and leveraging AI tools to create 'cognitive apprenticeships' that foster problem-solving skills crucial for the AI era.

Regaining Sight: Stem Cell Transplants Repair Corneal Damage

2025-03-09
Regaining Sight: Stem Cell Transplants Repair Corneal Damage

A new clinical trial offers hope for patients with corneal injuries. Scientists have successfully repaired severe corneal damage using a transplant of stem cells from the patients' healthy eyes. The treatment, called cultivated autologous limbal epithelial cells (CALEC), involves harvesting stem cells from the patient's uninjured eye, culturing them in a lab for several weeks, and then transplanting them into the injured eye. An 18-month follow-up showed a 92% success rate, with significant vision improvement in many patients, some even progressing from legally blind to low vision. This breakthrough offers new hope for treating corneal injuries and paves the way for larger-scale clinical trials.

Trump Admin to Use AI to Target Pro-Palestine Students

2025-03-09
Trump Admin to Use AI to Target Pro-Palestine Students

The U.S. State Department is launching "Catch and Revoke," an AI-powered program to scan news and social media for pro-Palestinian and Hamas sympathies among student visa holders. This initiative, starting October 7th, raises serious concerns about free speech and potential biases in AI. The program aligns with the Trump administration's broader efforts to combat perceived antisemitism and domestic terrorism, efforts criticized for their overbroad definitions and potential for silencing dissent. The passage of the "Take it Down Act," ostensibly targeting revenge porn and deepfakes, further exacerbates these concerns, potentially providing a tool for suppressing criticism. The combined actions represent a significant attack on free speech and expression, fueled by surveillance technology.

Tech

The End of Passwords? Passkeys and the Passwordless Future

2025-03-09
The End of Passwords? Passkeys and the Passwordless Future

Passwords are a relic of the past, plagued by vulnerabilities and human error. This article traces the history of passwords, from ancient Rome to the modern era, highlighting the limitations of password managers and two-factor authentication. The author champions Passkeys, a FIDO-based password replacement that uses biometrics or PINs for secure login, eliminating the need to remember complex passwords and offering strong resistance to phishing attacks and data breaches. Widespread adoption hinges on website and app support, but Passkeys promise a more secure and private online experience.

Tech

Shoebox-Sized Edge Computing Node Headed to ISS

2025-03-08
Shoebox-Sized Edge Computing Node Headed to ISS

Axiom Space plans to send a shoebox-sized node running Red Hat Device Edge to the International Space Station (ISS). This prototype, AxDCU-1, will test applications in cloud computing, AI/ML, data fusion, and space cybersecurity. Due to limited ground connectivity in space, edge computing is crucial. AxDCU-1 utilizes Red Hat Enterprise Linux, Red Hat Ansible Platform, and MicroShift, and is planned to operate in orbit for at least two years. Launch is expected in Spring 2025, but potential delays exist due to cargo shipment issues.

Backdoor Found in ESP32 Chip Threatens Millions of IoT Devices

2025-03-08
Backdoor Found in ESP32 Chip Threatens Millions of IoT Devices

Tarlogic Security researchers revealed at RootedCON an undocumented backdoor in the ESP32 microcontroller, used in millions of IoT devices. This vulnerability allows attackers to bypass code audits, impersonate devices, and permanently infect smartphones, computers, and smart locks. To address this, Tarlogic also unveiled BluetoothUSB, a free tool to simplify Bluetooth security audits. The discovery highlights the critical need for robust IoT security and underscores the importance of accessible security tools.

Sci-Fi Mags Acquired: A New Era Begins?

2025-03-08
Sci-Fi Mags Acquired: A New Era Begins?

The sci-fi publishing world is buzzing! Asimov's, Analog, and Fantasy & Science Fiction—the genre's 'big three'—have been acquired by Steven Salpeter. While concerns about a single company controlling the market exist, the overall sentiment among authors is optimistic. Salpeter, a known sci-fi fan, reportedly plans to maintain print editions and the current editorial teams. Meanwhile, the future of Baen Books remains uncertain, with rumors of involvement from Peter Thiel's investment group fueling intense industry debate.

Tech

Linear Pluggable Optics (LPO): The Next Big Thing in Data Center Power Efficiency?

2025-03-08
Linear Pluggable Optics (LPO): The Next Big Thing in Data Center Power Efficiency?

Linear pluggable optics (LPO) is gaining traction as a solution for fast, efficient data movement in and out of server racks. However, a lack of standardization for connecting optical modules is hindering wider adoption, despite growing pressure to reduce data center power consumption. While less power-efficient than co-packaged optics (CPO), LPO offers better thermal protection. The Optical Internetworking Forum (OIF) is developing electrical standards to improve interoperability, paving the way for broader LPO deployment and enhanced data center energy efficiency.

DOJ Doubles Down: Google Must Sell Chrome, Limit Default Search Deals

2025-03-08
DOJ Doubles Down: Google Must Sell Chrome, Limit Default Search Deals

The Justice Department is sticking to its guns in the antitrust case against Google, upholding a previous administration's proposal to force the sale of the Chrome browser and ban payments to companies like Apple for default search engine status. The DOJ argues this will break Google's search monopoly and foster competition. While Google offered alternative remedies, the DOJ deemed them insufficient. A judge will decide on the final solution in April, with significant implications for the tech industry.

Tech
1 2 127 128 129 131 133 134 135 194 195