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Locally hosting an internet-connected server

[Interface] PrivateKey = privkeyhere ListenPort = 51820 Address = localaddr/32 [Peer] Endpoint = VPS:51820 PublicKey = pubkeyhere AllowedIPs = VPS/0 [Interface] Address = vpswgaddr/32 SaveConfig = true ListenPort = 51820 PrivateKey = privkeyhere [Peer] PublicKey = pubkeyhere AllowedIPs = localaddr/32 321.985.520.309 867.420.696.005 iptables -t nat -A PREROUTING -p tcp -d 321.985.520.309 -j DNAT --to-destination 867.420.696.005 321.985.520.309 867.420.696.005 net.

Proofs Without Words

The following demonstrate proofs of various identities and theorems using pictures, inspired from this gallery. Nichomauss' Theorem: the sum of the first cubes can be written as the square of the sum of the first integers, a statement that can be written as . Here, we use the same re-arrangement as the first proof on this page (the sum of first odd integers is a square). Here's another re-arrangement to see this: This also suggests the following alternative proof:

I'm an Anime Collector. 3 AI Phone Features I Used While Visiting Tokyo

I love collecting Japanese anime merch. I'm also a tech creator and an educator who loves using technology to make my life easier. On a recent trip to Tokyo, I decided to use AI features on my phone to help me navigate the city. I've visited Japan six times in recent years, and as an avid fan and consumer of Japanese anime and pop culture, I fully intend to visit many more times for general tourism, pop-up events, specialty museums and parks. But my earliest visits to Tokyo were overwhelming an

Qodo teams up with Google Cloud to provide devs with FREE AI code review tools directly within platform

Join the event trusted by enterprise leaders for nearly two decades. VB Transform brings together the people building real enterprise AI strategy. Learn more Qodo, the fast growing AI coding startup from Israel focused on code quality, has announced a new collaboration with Google Cloud aimed at advancing the integrity of AI-generated software. As organizations increasingly rely on artificial intelligence to produce large portions of their codebases, the need for effective oversight and qualit

LLMs pose an interesting problem for DSL designers

The most exciting part of Programming Languages (PL) research for me has always been in Programming Language Design. By carefully crafting a language with a syntax and semantics tailored for a specific domain, PL designers can provide an interface for end users that seamlessly aligns with the sensibilities and intuitions of practitioners, allowing users to focus on the "interesting" parts of a problem and tackle larger and more complex problems. Instead of writing a verbose sequence of API cal

Foundry (YC F24) Hiring Early Engineer to Build Web Agent Infrastructure

Location: San Francisco, CA Why Foundry Exists: Most of what people do at work sucks—it's manual, repetitive, and wastes time. Recruiters spend hours every day on LinkedIn, CRMs, email, and tedious data entry tasks instead of focusing on the things humans actually do well: building relationships, strategy, and decision-making. We're building tools so that AI agents can use web browsers exactly like humans, navigating enterprise apps like Salesforce, SAP, or Workday without constant manual inte

Programming Language Design in the Era of LLMs: A Return to Mediocrity?

The most exciting part of Programming Languages (PL) research for me has always been in Programming Language Design. By carefully crafting a language with a syntax and semantics tailored for a specific domain, PL designers can provide an interface for end users that seamlessly aligns with the sensibilities and intuitions of practitioners, allowing users to focus on the "interesting" parts of a problem and tackle larger and more complex problems. Instead of writing a verbose sequence of API cal

Fintech Ramp's valuation hits $16 billion in deal led by Peter Thiel's Founders Fund

Ramp, which offers a financial operations platforms to corporate clients, has raised its valuation to $16 billion in a new fundraising led by long-time investor Founders Fund, Peter Thiel's venture firm. The $200 million round is the fifth that Founders' has led for Ramp and raised its valuation by $3 billion. It last raised money at a $13 billion valuation in March. Founded in 2019, Ramp offers services that cover corporate cards, procurement, bookkeeping, travel booking, and vendor managemen

In just 3 months, Ramp’s valuation jumped to $16B, up from $13B

In Brief Spend management startup Ramp announced on Tuesday that it raised a $200 million Series E led by its largest investor, Founders Fund, at a post-money valuation of $16 billion. This is a jaw-dropping $3 billion increase over the $13 billion valuation Ramp announced just a few months ago in March, after a $150 million secondary share sale. Its current valuation is also more than double the $7.65 billion post-money valuation Ramp hit a little over a year ago when it raised $150 million.

Ethan Hunt Doesn’t Die in the New ‘Mission Impossible,’ But They Considered It

When the eighth Mission: Impossible film changed its title to “The Final Reckoning,” we all had the same thought: Tom Cruise’s character, Ethan Hunt, was going to die. It would have been the most obvious way to add some real finality to the franchise, but we now know that doesn’t happen. Instead, Ethan lives, as does his sworn enemy, the Entity. And, in a new interview, writer-director Christopher McQuarrie discussed those crucial decisions and many more. In an extended, spoiler-filled conversa

How AI chatbots keep people coming back

Chatbots are increasingly looking to keep people chatting, using familiar tactics that we’ve already seen lead to negative consequences. Sycophancy can make AI chatbots respond in a way that’s overly agreeable or flattering. And while having a digital hype person might not seem like a dangerous thing, it is actually a tactic used by tech companies to keep users talking with their bots and returning to their platforms.

Amazon is holding Prime Day 2025 on July 8-11

In Brief Amazon has revealed that Prime Day 2025 will take place on July 8-11, extending the annual sale event to four days this year. Amazon notes that consumers will be able to shop for “pantry staples and snacks for summer gatherings to home-improvement must-haves, back-to-school supplies, health and personal care finds, family-favorite toys, best-selling books, pet essentials, and even premium and luxury splurges.” For the first time, Amazon is going to introduce “Today’s Big Deals,” whic

Qodo teams up with Google Cloud, to provide devs with FREE AI code review tools directly within platform

Join the event trusted by enterprise leaders for nearly two decades. VB Transform brings together the people building real enterprise AI strategy. Learn more Qodo, the fast growing AI coding startup from Israel focused on code quality, has announced a new collaboration with Google Cloud aimed at advancing the integrity of AI-generated software. As organizations increasingly rely on artificial intelligence to produce large portions of their codebases, the need for effective oversight and qualit

My favorite $150 smartwatch just got a style upgrade - and looks double the price

ZDNET's key takeaways The Amazfit Active 2 Square is available in a premium package for $149.99 that includes leather and silicone bands The watch is small, lasts up to 10 days, incorporates high end sapphire glass and stainless steel materials, and has a brilliant large 1.75-inch AMOLED display There is limited onboard storage for maps and music while the software may also be overwhelming. View now at Amazon I recently reviewed Amazfit's Active 2 Smartwatch, and it was one of my favorite wea

Taiwan joins chip war escalation, blocks exports to Huawei and SMIC

What just happened? Taiwan has imposed sweeping new export controls on two of China's most critical technology firms, Huawei Technologies and SMIC, thereby escalating a high-stakes battle over the future of advanced semiconductors and artificial intelligence. The move, announced by Taiwan's Ministry of Economic Affairs and approved by the International Trade Administration, places both companies on the strategic high-tech commodities entity list, a roster that includes organizations such as the

Linux kernel WireGuard can go 'fast' on decent hardware

I'm used to thinking of encryption as a slow thing that can't deliver anywhere near to network saturation, even on basic gigabit Ethernet connections. This is broadly the experience we see with our current VPN servers, which struggle to turn in more than relatively anemic bandwidth with OpenVPN and L2TP, and so for a long time I assumed it would also be our experience with WireGuard if we tried to put anything serious behind it. I'd seen the 2023 Tailscale blog post about this but discounted it

Honda dips its toes in cargo delivery micromobility

Walk around a big city like New York or Amsterdam long enough and you’re bound to notice something: tiny four-wheeled cargo carriers zipping down bike lanes. These battery-assisted vehicles, often called e-quads, are distinct from cargo e-bikes, which tend to be geared toward households. E-quads are larger and sport enclosed cargo holds, making them a darling of delivery companies, including Amazon and UPS, allowing them to sidestep congestion that bogs down regular box trucks. Now, Honda is o

Finally, a soundbar that completes my home TV setup and is well worth the price

ZDNET's key takeaways The Platin Monaco 5.2.1 speaker system is available on Amazon for $1,000. With a simple setup and well-defined sound, the Monaco is ideal for entertainment streaming and small spaces. The Monaco's subwoofer lacks power, and the system requires a phone app as the remote. $999 at Amazon Last year, the JBL Bar 1000 set a high standard for soundbars. Since then, nothing has come close to the rich, multi-dimensional sound produced by that system, and I cannot imagine any soun

What Muscles Do Squats Work? Plus, Personal Trainer Tips for the Best Squat

Squatting is a common exercise that many likely learned in gym class. However, do you know the proper form for a squat and what muscles it works? Ensuring you're doing a squat correctly is essential to help you increase your strength and avoid injury. That is why we reached out to certified personal trainers to learn everything there is to know about squats, how to do them and their benefits. How to do a squat Ellen Thompson, NASM-certified personal trainer and area personal manager at Blink F

Quantum upgrade makes random number generation fully traceable

Trust, but verify: Random number generation is a serious matter in modern computing. Most systems rely on a purely hardware-based approach to RNG, but the process is essentially impossible to verify or trace. Now, a new quantum-based method developed by US researchers could offer a potential solution to this RNG puzzle. Physicists at the National Institute of Standards and Technology in Boulder, Colorado, have upgraded their previously developed quantum-based method for true random number gener

Object personification in autism: This paper will be sad if you don't read (2018)

Object personification is the attribution of human characteristics to non-human agents. In online forums, autistic individuals commonly report experiencing this phenomenon. Given that approximately half of all autistic individuals experience difficulties identifying their own emotions, the suggestion that object personification may be a feature of autism seems almost paradoxical. Why would a person experience sympathy for objects, when they struggle to understand and verbalise the emotions of ot

Quantum mechanics provide truly random numbers on demand

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Instrumentation for the quantum random number generator in the NIST Boulder laboratories. Credit: NIST Randomness is incredibly useful. People often draw straws, throw dice or flip coins to make fair choices. Random numbers can enable auditors to make completely unbiased selections. Randomness is also key in securit

If You Have a PS5, the PlayStation DualSense Controller Costs Peanuts on Amazon

If you own a PS5, having multiple controllers is almost a necessity as there’s nothing better than sharing your favorite PlayStation games with friends or family in the same room. While it’s always wise to have a spare controller ready for multi-player sessions or simply as a backup for you, genuine discounts on the PlayStation DualSense wireless controller are rare. Even during Black Friday, major promotions were hard to find which makes this moment the perfect opportunity to add another contr

Taiwan blacklists China's Huawei and SMIC, further aligning with U.S. trade policy

The U.S. has placed major chip export restrictions on Huawei and Chinese firms over the past few years. This has cut off companies' access to critical semiconductors. Taiwan has added China's Huawei and SMIC to its trade blacklist in a move that further aligns it with U.S. trade policy and comes amid growing tensions with Beijing. The two leading Chinese chip firms have been put on Taiwan's "Strategic High-Tech Commodities Entity List," along with many of their international subsidiaries. Tai

Taiwan places export controls on Huawei and SMIC

In Brief Chinese companies Huawei and SMIC may have a difficult time accessing resources needed to build AI chips, due to Taiwanese export controls. Bloomberg reports that Taiwan’s International Trade Administration placed the two companies and their subsidiaries on an updated list of entities designated as strategic high-tech commodities. That means Taiwanese businesses will need government approval before they can ship anything to either company. As a result, Huawei and SMIC will lose acces

Jensen Huang hits back at Anthropic CEO's warning that AI will eliminate half of white-collar jobs

What just happened? Anthropic CEO Dario Amodei's recent warning that AI could wipe out about half of all entry-level white-collar jobs in the next five years has been disputed by Nvidia boss Jensen Huang. It's not the first time the two companies have clashed, and Anthropic has hit back with claims that Huang is putting words into Amodei's mouth. Amodei made his ominous prediction about AI's impact on entry-level, white-collar jobs in May, warning that the eradication of these positions will le

This Android launcher reminds me of Windows Phone in the best possible way

Hadlee Simons / Android Authority I have a confession to make: I wasn’t an Android phone fan at first. I wasn’t an iPhone enthusiast, either. Instead, I was a full-fledged Windows Phone disciple. I absolutely loved the Metro UI, featuring a fresh, tile-based interface that popped on an OLED screen. I loved the interface and cameras so much that I bought a Lumia 1020 and a Lumia 950. I’ve known about Android launchers that emulate this Windows Phone look for years now, and briefly dabbled with

Nvidia CEO criticizes Anthropic boss over his statements on AI

Nvidia CEO Jensen Huang criticized Anthropic head Dario Amodei over his recent claims that 50% of all entry-level white-collar jobs could be wiped out by artificial intelligence, causing unemployment to jump to 20% within the next five years. Huang disagreed with Amodei’s predictions when he was asked about it during VivaTech in Paris, where he said that he “pretty much disagree[s] with almost everything” the Anthropic CEO said, according to Fortune. “One, he believes that AI is so scary that o

The Algebra of an Infinite Grid of Resistors

The Algebra of an Infinite Grid of Resistors In a previous note we discussed the well-known problem of determining the resistance between two nodes of an “infinite” square lattice of resistors. The most common approach is to superimpose two “monopole” solutions, one representing the field for one amp of current entering a given node and flowing “to infinity”, and the other representing the field for one amp of current being withdrawn from a given node flowing in from infinity. If the two nodes

What is systems programming, really? (2018)

$$ % Typography and symbols ewcommand{\msf}[1]{\mathsf{#1}} ewcommand{\ctx}{\Gamma} ewcommand{\qamp}{&\quad} ewcommand{\qqamp}{&&\quad} ewcommand{\Coloneqq}{::=} ewcommand{\proves}{\vdash} ewcommand{\star}[1]{#1^{*}} ewcommand{\eps}{\varepsilon} ewcommand{ ul}{\varnothing} ewcommand{\brc}[1]{\{{#1}\}} ewcommand{\binopm}[2]{#1~\bar{\oplus}~#2} ewcommand{\mag}[1]{|{#1}|} ewcommand{\aequiv}{\equiv_\alpha} ewcommand{\semi}[2]{{#1};~{#2}} % Untyped lambda calculus ewcommand{\fun}[2]{\