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HackEthix 2025: Training Kerala’s Next Generation of Cyber Defenders

computer.org Vanessa Castro 2025-09-21 06:07:40

The IEEE Student Branch of Mohandas College of Engineering and Technology (MCET) brought the tech community together with HackEthix 2025. The July 19, 2025, event at the MCET campus in Trivandrum was Kerala’s largest one-day cybersecurity workshop championed by the Computer Society Chapter Grant Initiative. It’s a crucial first step in training and equipping the next generation of cyber professionals. Cybersecurity already faces a talent shortage and skills gap. Global security job vacancies gr

Topics: 2025 cybersecurity hackethix ieee kerala

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Implicit ODE solvers are not universally more robust than explicit ODE solvers

news.ycombinator.com Christopher Rackauckas 2025-09-21 08:41:51

A very common adage in ODE solvers is that if you run into trouble with an explicit method, usually some explicit Runge-Kutta method like RK4, then you should try an implicit method. Implicit methods, because they are doing more work, solving an implicit system via a Newton method having “better” stability, should be the thing you go to on the “hard” problems. This is at least what I heard at first, and then I learned about edge cases. Specifically, you hear people say “but for hyperbolic PDEs

Topics: explicit implicit lambda method methods

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Implicit ODE Solvers Are Not Universally More Robust Than Explicit ODE Solvers

news.ycombinator.com Christopher Rackauckas 2025-09-21 23:41:51

A very common adage in ODE solvers is that if you run into trouble with an explicit method, usually some explicit Runge-Kutta method like RK4, then you should try an implicit method. Implicit methods, because they are doing more work, solving an implicit system via a Newton method having “better” stability, should be the thing you go to on the “hard” problems. This is at least what I heard at first, and then I learned about edge cases. Specifically, you hear people say “but for hyperbolic PDEs

Topics: explicit implicit lambda method methods

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Implicit Ode Solvers Are Not Universally More Robust Than Explicit Ode Solvers

news.ycombinator.com Christopher Rackauckas 2025-09-22 14:41:51

A very common adage in ODE solvers is that if you run into trouble with an explicit method, usually some explicit Runge-Kutta method like RK4, then you should try an implicit method. Implicit methods, because they are doing more work, solving an implicit system via a Newton method having “better” stability, should be the thing you go to on the “hard” problems. This is at least what I heard at first, and then I learned about edge cases. Specifically, you hear people say “but for hyperbolic PDEs

Topics: explicit implicit lambda method methods

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The Socratic Journal Method: A Simple Journaling Method That Works

news.ycombinator.com Unknown 2025-09-21 20:03:11

Years of notebooks and a laptop side by side, the Socratic Journal Method blends timeless reflection with modern tools to make journaling a habit that actually works. Journaling doesn’t need to be a chore. In this post, I share The Socratic Journal Method, my simple twist on journaling that turns blank pages into meaningful conversations. It’s a method designed to help you reflect, stay consistent, and actually enjoy the process. Why I Created the Socratic Journal Method Over the years, I’v

Topics: journal journaling just like method

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Tether reveals USAT stablecoin, appoints Bo Hines, former White House advisor, to lead U.S. business

cnbc.com Tanaya Macheel 2025-09-26 19:49:36

Tether, the issuer of the largest stablecoin, has named a CEO for its U.S. business and is launching a new token for U.S. institutions. The moves underscore Tether's commitment to regulatory engagement and entry into the U.S. The company, once accused of being a criminal's "go-to cryptocurrency" has been rebranding itself as a partner to American lawmakers and law enforcement since pro-crypto President Donald Trump's return to the White House. Bo Hines, who headed the Presidential Council of A

Topics: digital new stablecoin tether token

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Randomly selecting points inside a triangle

news.ycombinator.com Unknown 2025-09-28 06:29:33

If you have a triangle with vertices A, B, and C, how would you generate random points inside the triangle ABC? Barycentric coordinates One idea would be to use barycentric coordinates. Generate random numbers α, β, and γ from the interval [0, 1]. Normalize the points to have sum 1 by dividing each by their sum. Return αA + βB + γC. This generates points inside the triangle, but not uniformly. Accept-reject Another idea is to use an accept-reject method. Draw a rectangle around the triangl

Topics: accept method points reject triangle

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New VMScape attack breaks guest-host isolation on AMD, Intel CPUs

bleepingcomputer.com Unknown 2025-09-29 03:05:05

A new Spectre-like attack dubbed VMScape allows a malicious virtual machine (VM) to leak cryptographic keys from an unmodified QEMU hypervisor process running on modern AMD or Intel CPUs. The attack breaks the isolation between VMs and the cloud hypervisor, bypassing existing Spectre mitigations and threatening to leak sensitive data by leveraging speculative execution. The researchers highlight that VMScape does not require compromising the host and works on unmodified virtualization software

Topics: branch eth guest vmscape zurich

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Enterprise-Grade Data Ethics: How to Implement Privacy, Policy, and Architecture

computer.org Laurel Tweed 2025-10-03 17:00:26

In an era where data is often described as the “new oil,” its management transcends basic operational considerations and becomes integral to organizational trust and sustainability. Ethical data practices, including transparency and informed consent, have emerged as compliance requirements and strategic differentiators for business growth and customer retention. Data Ethics as a Strategic Differentiator Ethical data use is essential for building customer trust, which drives brand loyalty and h

Topics: customer data ethical ethics organizations

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This Bizarre Fish Has 8 Rows of Forehead Teeth It Uses During Sex

gizmodo.com Margherita Bassi 2025-10-03 19:55:29

Spotted ratfish are scaleless, rabbit-faced deep-sea fish, about two feet (61 centimeters) long, and native to the northeastern Pacific Ocean. As if that wasn’t a strange enough description, these distant shark cousins also feature teeth on their foreheads. While a number of marine animals, such as sharks, rays, and whale sharks, have external tooth-like structures called denticles, it turns out the spotted ratfish’s toothy features are straight-up true teeth, as true as the ones in your mouth.

Topics: ratfish researchers spotted teeth tenaculum

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A Software Development Methodology for Disciplined LLM Collaboration

news.ycombinator.com Unknown 2025-10-06 10:47:57

Disciplined AI Software Development - Collaborative A structured approach for working with AI on development projects. This methodology addresses common issues like code bloat, architectural drift, and context dilution through systematic constraints. The Context Problem AI systems work on Question → Answer patterns. When you ask for broad, multi-faceted implementations, you typically get: Functions that work but lack structure Repeated code across components Architectural inconsistency ove

Topics: ai architectural code development methodology

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Scientists Boast That Their AI-Powered Stethoscope Only Fails Two-Thirds of the Time

futurism.com Unknown 2025-10-06 14:00:25

A team of researchers in the UK say their AI-powered stethoscope can detect three different heart conditions in just 15 seconds. It's also, they readily admit, horrendously inaccurate. Placed over the chest, the "smart" gizmo analyzes the rhythms of the heartbeat and blood flow that're undetectable to the human ear, while also performing a quick electrocardiogram, or ECG, which is a test that gauges your heart's electrical activity. Then, all that info is packaged and sent "securely" to the c

Topics: ai heart patients researchers stethoscope

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Ten Thousand Lifetimes with Roguelikes

news.ycombinator.com Unknown 2025-10-07 22:46:24

Ten Thousand Lifetimes with Roguelikes Angband When I was a kid, a few factors combined to give me what I suspect will be a lifelong neurosis about video games: my basic respect for my parents’ authority and opinions, my mother’s extreme disdain (it seemed to me, at least, at the time) for any and all electronic gaming, and my borderline obsession with same. My brother and I weren’t allowed a game system until, after much parental deliberation, I gather, we received a Super Nintendo for the Chr

Topics: crawl dungeon game like nethack

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Bitcoin bucks stock market downtrend but lags gold rally

cnbc.com Tanaya Macheel 2025-10-15 03:40:30

The moves came amid a sell-off in stocks and a jump in bond yields, which were triggered by concerns — which first emerged late on Friday ahead of the extended holiday weekend — on the legality of President Donald Trump's global tariffs and the prospect that the U.S. may have to repay money already received . The price of so-called digital gold rose as much as 2% to reclaim the $111,000 level after dropping over the weekend to a low last seen in July. Spot gold hovered around $3,500 after surpa

Topics: bitcoin crypto ether gold market

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Hungry Worms Could Help Solve Plastic Pollution

wired.com Ritsuko Kawai 2025-10-16 00:30:00

Plastics that support modern life are inexpensive, strong, and versatile, but are difficult to dispose of and have a serious impact when released into the environment. Polyethylene, in particular, is the most widely produced plastic in the world, with more than 100 million tons distributed annually. Since it can take decades to decompose—and along the way can harm wildlife and degrade into harmful microplastics—its disposal is an urgent issue for mankind. In 2017, European researchers discovere

Topics: plastic polyethylene team wax worms

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‘Injustice 3’ is Coming—What Will DC Do With It?

gizmodo.com Justin Carter 2025-10-17 19:00:02

Nearly 10 years ago, NetherRealm released Injustice 2, the second game in its DC superhero fighting series. (And it’s the third superhero fighting game, beginning with 2008’s Mortal Kombat vs. DC Universe.) After continuing and rebooting the story of Mortal Kombat, it seems NetherRealm is going back to superheroic punch-ups, as Green Lantern and Aquaman voice actor Phil LaMaar reportedly told a fan at a recent convention a third game is happening. This will come as little surprise to anyone pay

Topics: game injustice kombat netherrealm superman

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As Ocean Water Gets Worse, Sharks' Teeth Start to Dissolve

futurism.com Unknown 2025-10-17 22:00:37

Sharks have been on this planet for more than 400 million years. They're older than the first trees, the North Star, and even the rings of Saturn. They've seen and been through it all — but the mounting effects of human driven climate change could be what finally proves too much for these ancient beings. As we continue to pump astronomical amounts of carbon dioxide into the atmosphere, nearly a third of it gets absorbed by the ocean, gradually making its water more acidic. For sharks, the cons

Topics: ocean ph shark study teeth

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How to Brush Your Pet's Teeth—Veterinarians Weigh In (2025)

wired.com Molly Higgins 2025-10-24 15:07:00

As the pet tech writer here at WIRED, I know just how far we've come as a pet-obsessed society. From automatic litter boxes with built-in cameras to interactive pet cameras on wheels that shoot out treats, if a human has dreamed it, our pets have probably been subjected to it. For a while, pet influencers were all about hydration. My FYP was filled with tricks and tips to increase chronically dehydrated cats' water consumption, including via pet water fountains, which have since flooded the mar

Topics: cats dental oral pet teeth

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Fix damaged art in hours with AI

technologyreview.com Jennifer Chu 2025-10-25 06:00:00

In his study, Alex Kachkine, SM ’23, presents a new method he’s developed that involves printing the restoration on a very thin polymer film that can be carefully aligned with a painting and adhered to it or easily removed. As a demonstration, he used the method to repair a highly damaged 15th-century oil painting he owned. First he used traditional techniques to clean the painting and remove any past restoration efforts. Then he scanned the painting, including the many regions where paint had f

Topics: kachkine mask method painting used

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How one AI startup is helping rice farmers battle climate change

techcrunch.com Tim De Chant 2025-10-26 06:21:19

Fixing climate change is no small task — just ask carbon removal developers like Mitti Labs. The New York-based startup has developed technology to measure how much methane is released by rice paddies and uses it to train hundreds of thousands of farmers in climate-friendly practices. It’s the sort of high-touch endeavor that venture capitalists typically avoid. So how has Mitti managed to raise funding from its investors? In short: partnerships. Mitti has started working with The Nature Cons

Topics: carbon farmers methane mitti rice

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Bitcoin Flash Crash Roils Crypto Market

gizmodo.com Matt Novak 2025-10-28 06:50:49

Crypto prices dipped Monday following a so-called flash crash of Bitcoin on Sunday. And while Ethereum dipped as well, the second most popular cryptocurrency is still up significantly on the month. Bitcoin’s weekend crash is being blamed on a single whale who sold 24,000 Bitcoin, according to crypto watchers on X. Bitcoin’s most recent peak hit $117,370 on Friday, not too far from the all-time high of $124,500. But Bitcoin is currently sitting at $112,660, well below recent highs. “Bitcoin fla

Topics: bitcoin crypto ethereum recent thiel

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Will at centre of legal battle over Shakespeare’s home unearthed after 150 years

news.ycombinator.com Caroline Davies 2025-10-28 04:42:32

A will that has been lost for more than 150 years and was at the centre of a bitter legal battle by William Shakespeare’s family over who owned the playwright’s final home has been unearthed in an unlabelled box at the National Archives. The original 1642 document was made by Thomas Nash, who was married to Shakespeare’s granddaughter Elizabeth Hall. In it, he bequeathed New Place, reputedly the second grandest house in Stratford-upon-Avon, to his own cousin Edward Nash. However, on Thomas’s d

Topics: edward elizabeth nash shakespeare thomas

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LASIK Without Lasers? Scientists May Have Found a Way

gizmodo.com Ed Cara 2025-10-29 02:00:39

What if you could fix your damaged eye without having to shoot a laser at it? Scientists have potentially discovered a novel method of repairing the cornea, similar to LASIK, that wouldn’t require a laser or other invasive surgical tool. Researchers at Occidental College and the University of California, Irvine, created the technique, which aims to temporarily make the cornea malleable. In experiments with rabbit eyeballs, their method appeared to work while also leaving corneal cells alive. Mo

Topics: cornea eye like method researchers

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Ether notches first new record since 2021 after Powell speech teasing rate cuts

cnbc.com Tanaya Macheel 2025-10-29 10:02:35

The second-largest cryptocurrency surged 15% late Friday, rising as high as $4,885.00 and surpassing its November 2021 record of $4,866.01. The price of ether smashed through its 2021 record on Friday after Federal Reserve Chair Jerome Powell hinted at upcoming rate cuts and investors returned to risk-on mode. The moves came during Powell's annual address from Jackson Hole, Wyoming. "With policy in restrictive territory, the baseline outlook and the shifting balance of risks may warrant adjust

Topics: blockchain crypto ether friday powell

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Ether surges, trading close to its record again after Powell speech teasing rate cuts

cnbc.com Tanaya Macheel 2025-10-30 06:00:27

The second-largest cryptocurrency was last higher by 12% at $4,738.91, according to Coin Metrics. Last week, ether nearly touched its 2021 all-time high of $4,866.01, before falling as low as the $4,000 level this Tuesday. The price of ether rebounded to near-record levels on Friday after Federal Reserve Chair Jerome Powell hinted at upcoming rate cuts and investors returned to risk-on mode. The moves came during Powell's annual address from Jackson Hole, Wyoming. "With policy in restrictive t

Topics: ether million outflows powell week

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Best Electric Toothbrushes You Can Buy in 2025, Tested by Experts

cnet.com See Full Bio 2025-10-31 01:56:00

CNET/Caroline Igo The electric toothbrushes in this section weren't my favorites, but they have some qualities worth mentioning. One of these might be the right choice for you, so we felt it was worthwhile to include them. Oral-B iO2 Since I love the Oral-B iO Series 5 so much (it’s been my main toothbrush for over two years now), I was sent the new Oral-B iO2 electric toothbrush to test. It has the same brushing power and feel as the Series 5. It has three cleaning modes, a pressure sensor a

Topics: brush electric oral teeth toothbrush

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Trump's Nvidia and Intel meddling is a 'scattershot method of crony capitalism': Walter Isaacson

cnbc.com Samantha Subin 2025-11-02 06:35:31

President Donald Trump's dealings with Intel and Nvidia amount to a "scattershot method of crony capitalism," Walter Isaacson said Thursday. "That state capitalism often evolves into crony capitalism, where you have favored companies and industries that pay tribute to the leader, and that is a recipe for not only disaster, but just sort of a corrupt sense of messiness," he told CNBC's "Squawk Box." The Tulane University professor, widely known for his recent Elon Musk biography, argued that th

Topics: capitalism isaacson method said trump

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Betel nuts have been giving people a buzz for over 4,000 years

arstechnica.com Unknown 2025-11-06 16:24:30

Ancient rituals and customs often leave behind obvious archaeological evidence. From the impeccably preserved mummies of Egypt to psychoactive substance residue that remained at the bottom of a clay vessel for thousands of years, it seems as if some remnants of the past, even if not all are immediately visible, have defied the ravages of time. Chewing betel nuts is a cultural practice in parts of Southeast Asia. When chewed, these reddish nuts, which are the fruit of the areca palm, release psy

Topics: betel chewing nuts psychoactive teeth

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Bitcoin touches record, ether almost makes new high before rolling over

cnbc.com Tanaya Macheel 2025-11-15 15:14:07

In this article ETH.CM= BTC.CM= Follow your favorite stocks CREATE FREE ACCOUNT Ether and bitcoin. Yuriko Nakao | Getty Images Bitcoin hit a new record late Wednesday as ether climbed even closer to its all-time high. The flagship cryptocurrency rose as high as $124,496, surpassing its July record of 123,193.63, according to Coin Metrics. Ether rose to $4,791.19 overnight, edging closer to its 2021 record of $4,866.01. Both coins took a hit Thursday, however, after July's wholesale inflation

Topics: bitcoin ether high july record

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The Bizarre Biological Trick That Makes These Teeth Tougher Than Steel

gizmodo.com Gayoung Lee 2025-11-17 04:55:34

At first glance, chitons look like any other mollusk: round, bashful creatures creeping across seashore rocks. Flip one over, however, and you’ll notice rows of freakishly sharp, polished teeth—indestructible, multi-purpose chompers that researchers are seeking to replicate for the next breakthrough in material science. A new study published August 7 in Science presents a detailed investigation into what makes chiton teeth so strong and durable. By analyzing chiton anatomy, the team found a rem

Topics: chiton chitons materials new teeth

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Latest Tech News

HackEthix 2025: Training Kerala’s Next Generation of Cyber Defenders

Implicit ODE solvers are not universally more robust than explicit ODE solvers

Implicit ODE Solvers Are Not Universally More Robust Than Explicit ODE Solvers

Implicit Ode Solvers Are Not Universally More Robust Than Explicit Ode Solvers

The Socratic Journal Method: A Simple Journaling Method That Works

Tether reveals USAT stablecoin, appoints Bo Hines, former White House advisor, to lead U.S. business

Randomly selecting points inside a triangle

New VMScape attack breaks guest-host isolation on AMD, Intel CPUs

Enterprise-Grade Data Ethics: How to Implement Privacy, Policy, and Architecture

This Bizarre Fish Has 8 Rows of Forehead Teeth It Uses During Sex

A Software Development Methodology for Disciplined LLM Collaboration

Scientists Boast That Their AI-Powered Stethoscope Only Fails Two-Thirds of the Time

Ten Thousand Lifetimes with Roguelikes

Bitcoin bucks stock market downtrend but lags gold rally

Hungry Worms Could Help Solve Plastic Pollution

‘Injustice 3’ is Coming—What Will DC Do With It?

As Ocean Water Gets Worse, Sharks' Teeth Start to Dissolve

How to Brush Your Pet's Teeth—Veterinarians Weigh In (2025)

Fix damaged art in hours with AI

How one AI startup is helping rice farmers battle climate change

Bitcoin Flash Crash Roils Crypto Market

Will at centre of legal battle over Shakespeare’s home unearthed after 150 years

LASIK Without Lasers? Scientists May Have Found a Way

Ether notches first new record since 2021 after Powell speech teasing rate cuts

Ether surges, trading close to its record again after Powell speech teasing rate cuts

Best Electric Toothbrushes You Can Buy in 2025, Tested by Experts

Trump's Nvidia and Intel meddling is a 'scattershot method of crony capitalism': Walter Isaacson

Betel nuts have been giving people a buzz for over 4,000 years

Bitcoin touches record, ether almost makes new high before rolling over

The Bizarre Biological Trick That Makes These Teeth Tougher Than Steel

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