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I Tried This $40 Smartwatch: It Was Meh, but Not a Complete Waste of Time

I wasn't expecting much when I first strapped the WITHit Giga Smartwatch onto my wrist, and at least it delivered on that. This $40 smartwatch does the basics: shows notifications, counts your steps, tracks your heart rate (sort of) and lets you take calls from your wrist. But the execution of all these features is where it all starts to fall apart, and I found myself getting exactly what I paid for. After spending a week testing it, I came away with this: If you just want a basic smartwatch th

This self-hosted travel app has completely changed how I travel

Dhruv Bhutani / Android Authority Travel has always been a huge part of my life. Whether I’m planning a weekend getaway for a hike or a longer multi-country backpacking trip, I’ve relied on travel apps to help keep things organized. But after years of using some of the best travel apps like Wanderlog, TripIt, making notes in Google Keep or Notion, or even maintaining a pen and paper journal, I realized they all came with frustrating trade-offs. Too many ads, pushy upgrade prompts, opaque subscr

Show HN: ggc – A terminal-based Git CLI written in Go

ggc A Go Git CLI. This logo was created by gopherize.me. Demo Overview ggc is a Git tool written in Go, offering both traditional CLI commands and an interactive interface with incremental search. You can either run subcommands like ggc add directly, or launch the interactive mode by simply typing ggc. Designed to be fast, user-friendly, and extensible. Features Traditional command-line interface (CLI): Run ggc [args] to execute specific operations directly. Interactive interface: Run gg

Async I/O on Linux in databases

I've been working on a complex multi-model database for a few weeks now, and recently I took time to simplify and test out an idea I had on a simple key-value database. I started with the basics: A hash table in memory, a simple append-only log for persistence and durability, and the classic fsync() call after every write to the log for durability. It worked, but wasn't as fast as it could be. In Kevo, that's the approach I use, but in Klay (not public yet, but will be open sourced when ready)

Astronomers Detect Entirely New Type of Plasma Wave Above Jupiter’s North Pole

Since entering Jupiter’s orbit in 2016, NASA’s Juno spacecraft has been hard at work unveiling the many mysteries of our solar system’s largest planet. And its latest discovery may be one of the most intriguing yet: an entirely new type of plasma wave near Jupiter’s poles. In a paper published Wednesday in Physical Review Letters, astronomers describe an unusual pattern of plasma waves in Jupiter’s magnetosphere—a magnetic “bubble” shielding the planet from external radiation. Jupiter’s excepti

This Is the Commodore Comeback Fans Have Waited for—but the Odds Are Still Against It

In 1994, Commodore crashed and burned. Once a home computing giant across the US and Europe, the company was undone by mismanagement and misfires. The carcass was picked clean and the pieces resold so many times that it was hard to keep track, but with each new owner came the inevitable—an attempt to make a fast buck by slapping the famous C= logo on any old junk. Fans watched in horror as the brand appeared on the mediocre Web.it all-in-one PC, the bizarrely named Gravel in Pocket media player

New York’s bill banning One-Person Train Operation

The New York State Legislature has just passed a bill (S4091/A04873) that would lock New York City’s transit system in the past. This bill, which would require a conductor to be on board every train operated by New York City Transit, is the technological equivalent of requiring every elevator in the city to still be staffed by an elevator operator. If you take other transit systems both across the country and around the world, you'll quickly realize that two-person train operation (TPTO) is an o

Hungary's oldest library is fighting to save books from a beetle infestation

Hungary's oldest library is fighting to save 100,000 books from a beetle infestation toggle caption Bela Szandelszky/AP PANNONHALMA, Hungary — Tens of thousands of centuries-old books are being pulled from the shelves of a medieval abbey in Hungary in an effort to save them from a beetle infestation that could wipe out centuries of history. The 1,000-year-old Pannonhalma Archabbey is a sprawling Benedictine monastery that is one of Hungary's oldest centers of learning and a UNESCO World Herit

Apple exempt from Corning’s EU antitrust probe deal

The European Commission has concluded an antitrust investigation into Corning’s glass supply deals. And for once, Apple just watched from the sidelines. Apple not part of the relevant market The European Commission has accepted a series of commitments from Corning, wrapping up an investigation over potentially anticompetitive practices involving the supply of its famous Gorilla Glass (officially called Alkali-aluminosilicate glass, or ‘Alkali-AS Glass’), used in the cover layer of smartphones,

Piramidal (YC W24) is hiring a full stack engineer

We are looking for a software engineer to help us enable interactions and automations with Piramidal’s newest technologies. We value proactive, customer-centric engineers who prioritize foundational details (data models, architecture, security) to enable excellent products. In this role you will: Build and maintain the infrastructure and backend systems for our flagship platform focused on neural data. Collaborate closely with ML engineers to iterate on applying our latest models. and Work w

The borrowchecker is what I like the least about Rust

Written 2025-07-18 Among the 2010's cohort of programming languages, Rust is probably the most widely lauded. The main selling point of Rust is that it manages to combine speed and low-level control with a high level of bug-resistance, more commonly referred to as safety. The main innovation of Rust - really, its claim to fame - is its borrowchecker: the part of its compiler that enforces Rust's ownership rules and thereby allows Rust to achieve all the memory safety that garbage collected lan

Best Squat Racks of 2025

Choose a squat rack that fits your needs: "Focus your time and energy researching those racks that fit perfectly into your space and for the height of the people who will be using the rack," said Steve Stonehouse, VP of education and programming at Body Fit Training. You'll also want to check the quality of the machine. "There is a different quality and standard for commercial racks as opposed to personal racks," he explains. When deciding on the quality of the rack, something to consider is the

Today's NYT Strands Hints, Answers and Help for July 20 #504

Looking for the most recent Strands answer? Click here for our daily Strands hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle, Connections and Connections: Sports Edition puzzles. Today's NYT Strands puzzle is another summer-themed one, this time, focusing on clothing. If you need hints and answers, read on. I go into depth about the rules for Strands in this story. If you're looking for today's Wordle, Connections and Mini Crossword answers, you can

Warframe's The Old Peace Expansion Revealed: A Perilous Trip to Tau Unfolds Soon

Warframe's last few updates have been a narrative tour de force through time and space, weaving together disparate threads from the far-flung past of the year 1999 and the fairytale void-dimension of Duviri. Core to these expansions is the conflict with the Eldritch threat known only as the Indifference. As it comes closer to piercing the veil of our reality and escaping the void, it's up to the Tenno to navigate lost memories -- rediscovering forgotten allies, a peace that was doomed to fail a

In Court for Fatal Crash, Tesla Admits It Wasn't Even Tracking Autopilot Crashes for the First Three Years of the Program

With so many massive and well-publicized safety issues, nothing should surprise us about Tesla's internal culture — but new revelations from the country's first federal Autopilot crash trial have us shaken once again. As Law360 reports, an engineer at Elon Musk's car company revealed during a wrongful death trial this week that until 2018, the company didn't even keep records of Autopilot crashes — even though the assisted driving feature had been rolled out three years prior. In a taped depos

Scientists Say That Uranus Appears to Have a Girlfriend

When checking out Uranus, scientists discovered something exciting: that the planet appears to have a long-term... well, call it a situationship. In a new, yet-to-be-peer-reviewed paper flagged by Universe Today, an international group of researchers detailed finding a so-called "Centaur" — a small, icy and rocky body that sits between Uranus and Neptune and is designated as a minor planet — that appears to have been keeping up with Uranus in a delicate cosmic dance for thousands or even millio

Apple @ Work: Device management migration arrives with iOS 26 and macOS 26

Apple @ Work is exclusively brought to you by Mosyle, the only Apple Unified Platform. Mosyle is the only solution that integrates in a single professional-grade platform all the solutions necessary to seamlessly and automatically deploy, manage, and protect Apple devices at work. Over 45,000 organizations trust Mosyle to make millions of Apple devices work-ready with no effort and at an affordable cost. Request your EXTENDED TRIAL today and understand why Mosyle is everything you need to work w

Archaeologists Discover Tomb of Maya King Who Founded a 460-Year Dynasty

A team led by University of Houston archaeologists Arlen Chase and Diane Chase—a married couple about to celebrate their 50th wedding anniversary—has discovered the fourth-century CE tomb of an ancient Maya ruler. Talk about a power couple. The Maya ruler in question was Te K’ab Chaak, the first ruler of Caracol, an important Maya city that ruled the southern part of the Yucatan Peninsula from 560 through 680 CE before it was abandoned by the 10th century. Caracol is now the largest Maya archae

Topics: ab caracol ce chaak maya

Brain Scans Reveal Why Waking Up Is Sometimes Such a Difficult Experience

Want to wake up feeling great? The secret might not be so simple as a multi-step nighttime routine, early bedtime, or a no-device rule. A new study suggests that how we fall asleep and how we wake up the next day may not be so similar as we once thought. Neuroscientists tracked 20 people’s brain activity as they woke up from sleep—sometimes naturally, sometimes by setting off an alarm—recording more than 1,000 awakenings in total. They found a pattern of neural activity signaled waking, but tha

Tesla Tries to Save the Cybertruck With Its Most Desperate Offer Yet

Less than two years after its hyped-up debut, Tesla is making an aggressive, almost desperate, move to salvage the Cybertruck, a vehicle widely seen as one of the biggest busts in recent automotive history. Faced with production woes, quality control nightmares, and underwhelming sales, the company has added its polarizing truck to a massive sales event, offering a powerful incentive it has historically reserved for its most loyal customers: a free transfer of its $12,000 Full Self-Driving (FSD

Low-Income Internet Guide for All 50 States

A recent CNET survey found that 63% of Americans paid more for home internet last year than the previous year. In addition, the Affordable Connectivity Program came to a halt in 2024, leaving 23 million households without a suitable alternative to low-income internet accessibility. Many households were in rural areas with limited internet options, and nearly half were military families. In the wake of the loss of the ACP, many internet service providers, including CenturyLink, Google Fiber and

RFK Jr. wants to change program that stopped vaccine makers from leaving US market

This story was originally published by ProPublica. Five months after taking over the federal agency responsible for the health of all Americans, Robert F. Kennedy Jr. wants to overhaul an obscure but vital program that underpins the nation’s childhood immunization system. Depending on what he does, the results could be catastrophic. In his crosshairs is the Vaccine Injury Compensation Program, a system designed to provide fair and quick payouts for people who suffer rare but serious side effe

Nothing Phone 3 review: flagship-ish

Nothing says that the Phone 3 is its “first true flagship phone,” and it has put its money where its mouth is. The phone is getting a full US launch, and at $799, it costs exactly the same as a Pixel 9, Galaxy S25, or iPhone 16. That makes reviewing the Phone 3 refreshingly simple, because there are only two real questions that matter: is this as good as those three? And will it be as good as what we’re expecting from the new Pixel and iPhone models that are right around the corner? The answer

Here’s how to save on a Samsung Galaxy Z Fold 7 preorder

is an editor covering deals and commerce. He joined in 2018, and covers gaming, PCs, accessories, and more. The forthcoming Galaxy Z Fold 7 is Samsung’s thinnest foldable yet. Our own Allison Johnson just published her full review ahead of the phone’s launch on July 25th, and while there’s certainly no denying it’s a spendy device, know that various carriers and retailers are offering a host of preorder incentives, many of which will expire at launch. Although the Z Fold 7 isn’t miles ahead of

This HP EliteBook I tested is one of the most versatile work laptops of 2025 - and it's on sale

ZDNET's key takeaways The HP EliteBook Ultra G1i is on sale for $1,949. I highly recommend it to people looking for a laptop with top-performing hardware, a vibrant screen, and a high-quality webcam. However, because of its limited port selection, some might find its usability limited without supplementary accessories. View now at HP View now at B&H Photo Video more buying choices Work laptops don't have to be boring hunks of gray metal. There are plenty of eye-catching models providing engag

I took a walk with Meta's new Oakley smart glasses - they beat my Ray-Bans in every way

Sabrina Ortiz/ZDNET The Meta Ray-Bans have been a success since their launch, with consumers (like me) drawn to their regular form factor packed with mics, cameras, speakers, and AI. Now, Meta is catering to a more athletic audience with its new Meta Oakley smart glasses -- and with them, it has upped the ante across nearly every spec. As a glasses wearer, photo fanatic, and AI reporter, it was an absolute no-brainer for me to purchase the Meta Ray-Bans. After months of trying them, I was most

Topics: ai bans glasses meta ray

EPA says it will eliminate its scientific research arm

The Environmental Protection Agency said on Friday that it would eliminate its scientific research arm and begin firing hundreds of chemists, biologists, toxicologists and other scientists, after denying for months that it intended to do so. The move underscores how the Trump administration is forging ahead with efforts to slash the federal work force and dismantle federal agencies after the Supreme Court allowed these plans to proceed while legal challenges unfold. Government scientists have b

Zig's New Writer

Zig's new Writer As you might have heard, Zig's Io namespace is being reworked. Eventually, this will mean the re-introduction of async. As a first step though, the Writer and Reader interfaces and some of the related code have been revamped. This post is written based on a mid-July 2025 development release of Zig. It doesn't apply to Zig 0.14.x (or any previous version) and is likely to be outdated as more of the Io namespace is reworked. Not long ago, I wrote a blog post which tried to expl

Topics: drain file io std writer

Best Chest Strap Heart-Rate Monitors for Your 2025 Workouts, Fitness Expert-Approved

Why we like it: The Polar H10 is ideal for outdoor activities. You'll need to download the Polar Beat app to get the most out of it. The app is available for both iOS and Android and uses Bluetooth and ANT Plus connectivity to pair with different devices. The Polar H10 can connect to two Bluetooth devices at once, so you can connect it to both your smartwatch and a compatible piece of fitness equipment, like some treadmills or exercise bikes. The heart-rate monitor is easy to clip on and adjust