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The Hat, the Spectre and SAT Solvers (2024)

news.ycombinator.com Nicolás Hatcher 2026-04-15 01:14:20

The Hat, the Spectre and SAT Solvers Introduction In this blog post you are going to read about two things: A new flashy discovery in mathematics: aperiodic tilings of the plane with a single monotile SAT solvers. A family of not so well known algorithms in computer science Hopefully by the end of the post you will know a fair amount about the hat, the turtle and the spectres and have another powerful tool under your belt, SAT solvers. Thus, you can see this post either as an exercise in r

Topics: hat sat solver tile tiles

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Layoff Anxiety Is Real. 10 Steps to Take Now Before You Lose Your Job

cnet.com See Full Bio 2026-04-14 20:30:00

With employers downsizing and slashing budgets, fear of layoffs is rapidly escalating among workers. Tharon Green/CNET Workers across all industries are bracing for a challenging economy and a brutal job market. According to a survey by Indeed, nearly half (46%) of US employees are concerned about layoffs in the next year. The Trump administration's cuts across federal agencies, health organizations and nonprofits have led to hundreds of thousands of layoffs. As employers reduce personnel and

Topics: benefits company demase job said

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USDOT wants more self-driving cars without pedals or steering wheels

theverge.com Andrew J. Hawkins 2026-04-15 04:44:56

is transportation editor with 10+ years of experience who covers EVs, public transportation, and aviation. His work has appeared in The New York Daily News and City & State. The US Department of Transportation wants to make it easier for automakers and tech companies to deploy self-driving cars without traditional controls like steering wheels and pedals. In a letter sent to stakeholders, the department said it would streamline reviews of requests for exemptions from safety rules requiring vehi

Topics: exemption safety transportation vehicles years

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Red team AI now to build safer, smarter models tomorrow

venturebeat.com Louis Columbus 2026-04-15 08:00:00

Join the event trusted by enterprise leaders for nearly two decades. VB Transform brings together the people building real enterprise AI strategy. Learn more Editor’s note: Louis will lead an editorial roundtable on this topic at VB Transform this month. Register today. AI models are under siege. With 77% of enterprises already hit by adversarial model attacks and 41% of those attacks exploiting prompt injections and data poisoning, attackers’ tradecraft is outpacing existing cyber defenses.

Topics: adversarial ai red security teaming

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The latest state of the game jobs market | Amir Satvat

venturebeat.com Dean Takahashi 2026-04-15 08:30:00

Amir Satvat provides a lot of job resources for games. He has built a big community of game people, and they are providing him with a lot of data. And here’s the latest data from Amir Satvat’s Games Community and what it says about games hiring today, across functions, experience levels, and regions. First, Satvat, who was honored for his work at The Game Awards, said in a LinkedIn post that hiring remains concentrated in the middle. This means that most roles, and role growth, is aimed at prof

Topics: games jobs roles said satvat

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Amazon Prime Day 2025 returns in July: What to know (plus early deals to shop)

zdnet.com Kayla Solino 2026-04-15 08:38:00

In April, Amazon confirmed that its annual Prime Day event would return this July. Despite an uncertain economic outlook, Amazon is full steam ahead on its first Prime Day event of 2025, though dates have still yet to be confirmed. Also: Google's new AI shopping tool just changed the way we shop online - here's why Amazon hosted its second annual Big Spring Sale in March, which was extended from five days in 2024 to seven days this year. In a similar fashion, some early leaks suggest that Prim

Topics: amazon day july prime sale

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5 ways to lead with positivity - because no one wants a negative manager

zdnet.com Mark Samuels 2026-04-15 08:51:20

Elyse Betters Picaro / ZDNET Becoming a successful manager is far from straightforward. Leading people requires a series of crucial characteristics, and research suggests one of the most important is positivity. A Harvard Business Review survey found that team members felt more highly respected when leaders expressed positivity during the early stages of a project. Also: 5 ways to make assertive decisions in uncertain times, according to business leaders So how can leaders develop the right

Topics: leaders people said team ve

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11 startups from YC Demo Day that investors are talking about

techcrunch.com Marina Temkin 2026-04-15 08:00:00

At Y Combinator’s Spring 2025 Demo Day on Wednesday, nearly every presenting startup had something to do with AI — they’re either developing AI agents or creating tools to facilitate their development. Indeed, several founders seem to be taking a leaf out of the pages of several successful AI startups: about half a dozen startups were presenting variations of “Cursor for X.” For example, Den is building a “Cursor for knowledge workers,” and Vessence is on its way to make a “Cursor for lawyers.”

Topics: ai does fave says tools

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Samsung Galaxy S26 Ultra wishlist: All the features I’d like to see

androidauthority.com Unknown 2026-04-15 12:00:28

Joe Maring / Android Authority Samsung likes to make a splash at the start of each new year. Its Galaxy S series flagships are some of the first off the presses, giving us a taste of new AI features, fresh Snapdragon (or Exynos) chipsets, and some of the newest, toughest materials that Corning’s Gorilla Glass team has created. And at the top of that bunch sits the Galaxy S Ultra. By now, Samsung’s top dog is a known quantity — the Ultra is going to be big, it’s going to be powerful, and it’s g

Topics: galaxy like pen samsung ultra

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Tech billionaires are making a risky bet with humanity’s future

technologyreview.com Bryan Gardiner 2026-04-15 21:00:00

While there’s a sprawling patchwork of ideas and philosophies powering these visions, three features play a central role, says Adam Becker, a science writer and astrophysicist: an unshakable certainty that technology can solve any problem, a belief in the necessity of perpetual growth, and a quasi-religious obsession with transcending our physical and biological limits. In his timely new book, More Everything Forever: AI Overlords, Space Empires, and Silicon Valley’s Crusade to Control the Fate

Topics: ideas ideology salvation tech technological

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The European public DNS that makes your Internet safer

news.ycombinator.com Unknown 2026-04-15 19:44:13

A childproof version of the Internet — free of content not suitable for children. Make any device or network safe to use for children in just a few seconds. By filtering out content from the Internet that is not suitable for children, you can provide a safe online environment for kids at home, at school and on the go.

Topics: children content internet safe suitable

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Top KitchenAid Promo Codes and Coupons

wired.com Molly Higgins 2026-04-15 21:00:00

KitchenAid’s strategy is one that maybe we should all live by—if it ain’t broke, don’t fix it. Remaining nearly unchanged since its introduction in 1914, KitchenAid’s stand mixer has become such a legendary kitchen staple that we called the KitchenAid Artisan 7-Quart Lift Stand Mixer an “everlasting” kitchen must-have and put it on our Buy It For Life guide. KitchenAid’s heralded and beloved kitchen appliances luckily run regular sales so that you can get these great, but pricey, essentials for

Topics: account great kitchenaid promo save

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Indian scientists search for the perfect apple

feeds.bbci.co.uk Unknown 2026-04-16 00:05:53

Indian scientists search for the perfect apple 55 minutes ago Share Save Priti Gupta Technology Reporter Reporting from Mumbai Share Save Getty Images Jammu and Kashmir is India's biggest apple producing region "My neighbours thought I'd lost my mind," says farmer Kakasaheb Sawant. In 2022 he had decided to plant some apple trees, not crazy for a farmer unless, like Mr Sawant, you live in subtropical southern India, where temperatures can hit 43C. He bought 100 saplings, of which 80 survived.

Topics: apple apples india says trees

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The curse of Toumaï: an ancient skull and a bitter feud over humanity's origins

news.ycombinator.com Scott Sayare 2026-04-16 03:50:08

On a late-summer day in 2001, at the University of Poitiers in west-central France, the palaeontologist Michel Brunet summoned his colleagues into a classroom to examine an unusual skull. Brunet had just returned from Chad, and brought with him an extremely ancient cranium. It had been distorted by the aeons spent beneath what is now the Djurab desert; a crust of black mineral deposits left it looking charred and slightly malevolent. It sat on a table. “What is this thing?” Brunet wondered aloud

Topics: brunet femur macchiarelli said told

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Instagram May Soon Let You Rearrange Your Grid. What to Know

cnet.com See Full Bio 2026-04-16 03:51:00

If you like to keep your Instagram profile as more of a personal photo album and less of a public bulletin board, Instagram's upcoming feature is for you. Instagram will let users quietly post to your profile without broadcasting it to your followers, the company said on Thursday. Instagram also said it would let you rearrange your profile grid. It's not clear how either feature will work yet. Static posts and Reels have historically appeared in chronological order on Instagram, so this could o

Topics: feature flexibility instagram profile said

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See the Sun in a Way You've Never Seen It Before, From Above and Below

cnet.com See Full Bio 2026-04-16 04:06:09

Every image you've ever seen of the sun is looking at its equator, because Earth's orbit sits there with a 7.25-degree tilt. That means humans have never had a good angle to view the sun's north and south poles until now. The ESA has released images of the sun's north and south poles, giving everyone their first glimpse at the top and bottom of our nearest star. The imagery was taken by the ESA's Solar Orbiter, which began its trek to view the sun's polar regions in 2020. To do this, the Orbite

Topics: esa orbiter pole solar sun

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Deal: Your Samsung Galaxy Ring purchase comes with a free $100 gift card!

androidauthority.com Unknown 2026-04-16 08:38:37

Kaitlyn Cimino / Android Authority If you’ve been looking to get a Samsung Galaxy Ring, today is your lucky day. While released nearly a year ago, this accessory is very rarely on sale. There’s no discount on it right now, but you can get a free $100 gift card with your purchase. Get the Samsung Galaxy Ring with a $100 gift card for $399.99 ($100 off) This offer is available from Amazon, so the free gift card is for use exclusively with the popular online retailer. The sale applies to all colo

Topics: 100 galaxy gift ring samsung

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Isaacman’s bold plan for NASA: Nuclear ships, seven-crew Dragons, accelerated Artemis

arstechnica.com Unknown 2026-04-16 08:01:25

Nearly two weeks have passed since Jared Isaacman received a fateful, brief phone call from two officials in President Trump's Office of Personnel Management. In those few seconds, the trajectory of his life over the next three and a half years changed dramatically. The president, the callers said, wanted to go in a different direction for NASA's administrator. At the time, Isaacman was within days of a final vote on the floor of the US Senate and assured of bipartisan support. He had run the g

Topics: deputy isaacman musk nasa political

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Oracle shares pop 13% to record high on earnings beat, cloud optimism

cnbc.com Jordan Novet 2026-04-16 12:26:07

Larry Ellison, Oracle's co-founder, chief technology officer and chairman, at right, and U.S. President Donald Trump share a laugh as Ellison uses a stool to stand on as he speaks during a news conference in the Roosevelt Room of the White House in Washington on Jan. 21, 2025. Trump announced an investment in artificial intelligence (AI) infrastructure and took questions on a range of topics including his presidential pardons of Jan. 6 defendants, the war in Ukraine, cryptocurrencies and other t

Topics: billion cloud oracle said year

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Google suffers cloud outage, causing disruptions for OpenAI, Shopify and other services

cnbc.com Jennifer Elias 2026-04-16 12:22:54

A visitor walks past a Google Cloud sign at the booth of Google during the Hanover technology Fair (Hannover Messe) on April 22, 2024 in Hanover, northern Germany, with Norway as partner country. Google's cloud suffered significant global outages on Thursday, knocking down or disrupting a number of large internet services. "We are experiencing service issues with multiple GCP products," a status page from Google Cloud showed, indicating that the outages began at 10:51 a.m. PT. "Our engineering

Topics: cloud google said service services

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Massive cloud outage knocks out internet services across the globe

zdnet.com Steven Vaughan-Nichols 2026-04-16 12:42:00

Tetra Images/Getty Images The question now isn't what's wrong with what cloud service, it's what service isn't down? There's a storm in the air where I'm writing, but it's nothing like the one roiling the clouds at this time. Across the social networks, there are numerous reports that Amazon Web Services (AWS), Google Cloud, and Cloudflare, the content delivery network (CDN), are all down. As one software engineer put it, "How can Google Cloud, AWS, and Cloudflare all be down at the same time

Topics: aws cloud google said service

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Google Cloud outage brings down a lot of the internet

techcrunch.com Maxwell Zeff 2026-04-16 12:34:10

Large swaths of the internet went down on Thursday, affecting a range of services, from global cloud platform Cloudflare to popular apps like Spotify. It appears that a Google Cloud outage is at the root of these other service disruptions. Google Cloud said it started investigating service issues affecting its customers at 11:46 a.m. PT. The company still does not have an ETA for when its services will be back online. “We are currently investigating a service disruption to some Google Cloud se

Topics: cloud google said services techcrunch

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AMD reveals next-generation AI chips with OpenAI CEO Sam Altman

cnbc.com Kif Leswing 2026-04-16 17:31:07

In this article AMD Follow your favorite stocks CREATE FREE ACCOUNT Lisa Su, CEO of Advanced Micro Devices, testifies during the Senate Commerce, Science and Transportation Committee hearing titled "Winning the AI Race: Strengthening U.S. Capabilities in Computing and Innovation," in Hart building on Thursday, May 8, 2025. Tom Williams | CQ-Roll Call, Inc. | Getty Images Advanced Micro Devices on Thursday unveiled new details about its next-generation AI chips, the Instinct MI400 series, that

Topics: ai amd chips nvidia said

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There's a Giant Problem With SpaceX's Starlink Satellites

futurism.com Unknown 2026-04-16 15:27:06

Astronomers' attempts to peer into the earliest reaches of the universe could be threatened by thousands of SpaceX Starlink satellites leaking radio emissions that ruin observations made with highly sensitive telescopes. As New Scientist reports, a team of researchers led by Curtin University radio astronomy professor Steven Tingay tracked the signals of almost 2,000 Starlink satellites, with the help of a prototype telescope from the Square Kilometre Array, which is currently under constructio

Topics: radio satellites spacex starlink tingay

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Meta Says Its New AI Model Understands Physical Rules Like Gravity

cnet.com See Full Bio 2026-04-16 17:07:40

A new generative AI model Meta released this week could change how machines understand the physical world, opening up opportunities for smarter robots and more, the company said. The new open-source model, called Video Joint Embedding Predictive Architecture 2, or V-JEPA 2, is designed to help artificial intelligence understand things like gravity and object permanence, Meta said. "By sharing this work, we aim to give researchers and developers access to the best models and benchmarks to help

Topics: ai model models said world

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Hotel management platform Canary nabs $80M Series D from BPC, YC, Insight Partners

techcrunch.com Dominic-Madori Davis 2026-04-16 15:30:00

Canary, the hotel guest management platform, announced Thursday the raise of an $80 million Series D in a round led by Brighton Park Capital. Harman Singh Narula and childhood friend SJ Sawhney launched the company in 2018 to help hotels digitize and automate guest interactions. The company has raised nearly $180 million in funding to date. “Running a hotel is increasingly complex,” Singh Narula told TechCrunch. “Guest expectations are constantly evolving, and staffing shortages continue to st

Topics: canary guest hotel said singh

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NASA Is Worth Saving

news.ycombinator.com Unknown 2026-04-16 19:59:34

Casey Handmer June 2025 Download a printable PDF. NASA was founded in 1958 in response to Sputnik and the emerging necessity of a robust, government supported space exploration and technology development program to safeguard US interests in space. NASA embodies the US ideals of optimism and technical excellence. I was privileged to work at NASA’s Jet Propulsion Laboratory for four years, among titans of the industry. It is clear, however, that today’s NASA is but a shadow of its former self.

Topics: launch moon nasa space spacex

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Chime almost died in 2016, turned down by 100 VCs — today it IPO’d at $14.5B

techcrunch.com Julie Bort 2026-04-16 19:23:17

One of the year’s most anticipated IPOs took place on Thursday when neobank Chime raised $864 million in its IPO, pricing its shares at $27, which is above its previously announced range of $24 to $26. That gave it a starting market cap of about $9.8 billion. While some would point out that this is far below its last private valuation of $25 billion, according to PitchBook’s estimates, shares opened at $42, putting it at $14.5 by midday in heavy trading, according to Yahoo Finance. The hungry

Topics: chime company king million said

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Hotel management platform Canary nabs $80M Series D from YC, Insight Partners

techcrunch.com Dominic-Madori Davis 2026-04-16 20:30:00

Canary, the hotel guest management platform, announced Thursday the raise of an $80 million Series D in a round led by Brighton Park Capital. Harman Singh Narula and childhood friend SJ Sawhney launched the company in 2018 to help hotels digitize and automate guest interactions. The company has raised nearly $180 million in funding to date. “Running a hotel is increasingly complex,” Singh Narula told TechCrunch. “Guest expectations are constantly evolving, and staffing shortages continue to st

Topics: canary guest hotel said singh

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My favorite MagSafe wallet stand is the ideal iPhone companion, and it just got cheaper

zdnet.com Kayla Solino 2026-04-17 00:23:39

ZDNET's key takeaways ESR's Aura Halo-Lock MagSafe wallet and stand combine style and function at a fair price point. The $40 MagSafe wallet stores up to five cards, doubles as a phone stand, includes an ID window, and comes in five colorways. If you're after smaller capacity wallets or more premium materials, you're better off with other MagSafe cardholders. $23.99 at Amazon The ESR Aura MagSafe wallet and stand is on sale in select colors for $19 at Amazon now. When I'm not doubled down co

Topics: aura esr magsafe stand wallet

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Latest Tech News

The Hat, the Spectre and SAT Solvers (2024)

Layoff Anxiety Is Real. 10 Steps to Take Now Before You Lose Your Job

USDOT wants more self-driving cars without pedals or steering wheels

Red team AI now to build safer, smarter models tomorrow

The latest state of the game jobs market | Amir Satvat

Amazon Prime Day 2025 returns in July: What to know (plus early deals to shop)

5 ways to lead with positivity - because no one wants a negative manager

11 startups from YC Demo Day that investors are talking about

Samsung Galaxy S26 Ultra wishlist: All the features I’d like to see

Tech billionaires are making a risky bet with humanity’s future

The European public DNS that makes your Internet safer

Top KitchenAid Promo Codes and Coupons

Indian scientists search for the perfect apple

The curse of Toumaï: an ancient skull and a bitter feud over humanity's origins

Instagram May Soon Let You Rearrange Your Grid. What to Know

See the Sun in a Way You've Never Seen It Before, From Above and Below

Deal: Your Samsung Galaxy Ring purchase comes with a free $100 gift card!

Isaacman’s bold plan for NASA: Nuclear ships, seven-crew Dragons, accelerated Artemis

Oracle shares pop 13% to record high on earnings beat, cloud optimism

Google suffers cloud outage, causing disruptions for OpenAI, Shopify and other services

Massive cloud outage knocks out internet services across the globe

Google Cloud outage brings down a lot of the internet

AMD reveals next-generation AI chips with OpenAI CEO Sam Altman

There's a Giant Problem With SpaceX's Starlink Satellites

Meta Says Its New AI Model Understands Physical Rules Like Gravity

Hotel management platform Canary nabs $80M Series D from BPC, YC, Insight Partners

NASA Is Worth Saving

Chime almost died in 2016, turned down by 100 VCs — today it IPO’d at $14.5B

Hotel management platform Canary nabs $80M Series D from YC, Insight Partners

My favorite MagSafe wallet stand is the ideal iPhone companion, and it just got cheaper

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