jaunty

Dec. 18th, 2025 12:00 am
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Merriam-Webster's Word of the Day for December 18, 2025 is:

jaunty • \JAWN-tee\  • adjective

Something described as jaunty is lively in manner or appearance. Jaunty can also describe something, such as an article of clothing, that suggests a lively and confident quality.

// The server whistled a jaunty tune as she wiped the tables and set out fresh flowers in preparation for the day’s diners.

See the entry >

Examples:

“He stood at the front of the room and announced that we would begin with a quiz, which we all failed because the quiz was over material that we were supposed to have covered during the last class. When he handed the quizzes back to us after the break, he did so in a frenetic, almost jaunty way, running up and down the aisles and announcing our grades—‘Zero, zero, zero’—loudly before tossing the quizzes down in front of us ...” — Lori Ostlund, Are You Happy?: Stories, 2025

Did you know?

Does throwing on a jaunty hat make someone appear more genteel? Maybe, but something more definitive links the words: both jaunty and genteel come from the French word gentil, meaning “of aristocratic birth.” Genteel was borrowed first to describe things associated with aristocratic people. Jaunty joined the language just a few years later in the mid-17th century as a synonym of stylish and also as a synonym for genteel. While genteel has maintained its associations of propriety and high social class, jaunty has traipsed into less stuffy territory as a descriptor of tunes and hats and other things that suggest lively confidence.



tenterhook

Dec. 18th, 2025 12:01 am
[syndicated profile] lifehacker_feed

Posted by Jake Peterson

The AI wars continue to heat up. Just weeks after OpenAI declared a "code red" in its race against Google, the latter released its latest lightweight model: Gemini 3 Flash. This particular Flash is the latest in Google's Gemini 3 family, which started with Gemini 3 Pro, and Gemini 3 Deep Think. But while this latest model is meant to be a lighter, less expensive variant of the existing Gemini 3 models, Gemini 3 Flash is actually quite powerful in its own right. In fact, it beats out both Gemini 3 Pro and OpenAI's GPT-5.2 models in some benchmarks.

Lightweight models are typically meant for more basic queries, for lower-budget requests, or to be run on lower-powered hardware. That means they're often faster than more powerful models that take longer to process, but can do more. According to Google, Gemini 3 Flash combines the best of both those worlds, producing a model with Gemini 3's "Pro-grade reasoning," with "Flash-level latency, efficiency, and cost." While that likely matters most to developers, general users should also notice the improvements, as Gemini 3 Flash is now the default for both Gemini (the chatbot) and AI Mode, Google's AI-powered search.

Gemini 3 Flash performance

You can see these improvements in Google's reported benchmarking stats for Gemini 3 Flash. In Humanity's Last Exam, an academic reasoning benchmark that tests LLMs on 2,500 questions across over 100 subjects, Gemini 3 Flash scored 33.7% with no tools, and 43.5% with search and code execution. Compare that to Gemini 3 Pro's 37.5% and 45.8% scores, respectively, or OpenAI's GPT-5.2's scores of 34.5% and 45.5%. In MMMU-Pro, a benchmark that test a model's multimodal understanding and reasoning, Gemini 3 Flash got the top score (81.2%), compared to Gemini 3 Pro (81%) and GPT-5.2 (79.5). In fact, across the 21 benchmarking tests Google highlights in its announcement, Gemini 3 Flash has the top score in three: MMMU-Pro (tied with Gemini 3 Pro), Toolathlon, and MMMLU. Gemini 3 Pro still takes the number one spot on the most tests here (14), and GPT-5.2 topped eight tests, but Gemini 3 Flash is holding its own.

Google notes that Gemini 3 Flash also outperforms both Gemini 3 Pro and the entire 2.5 series in the SWE-bench Verified benchmark, which tests the model's coding agent capabilities. Gemini 3 Flash scored a 78%, while Gemini 3 Pro scored 76.2%, Gemini 2.5 Flash scored 60.4%, and Gemini 2.5 Pro scored 59.6%. (Note that GPT-5.2 scored the best of the models Google mentions in this announcement.) It's a close race, especially when you consider this is a lightweight model scoring alongside these company's flagship models.

Gemini 3 Flash cost

That might present an interesting dilemma for developers who pay to use AI models in their programs. Gemini 3 Flash costs $0.50 per every million input tokens (what you ask the model to do), and $3.00 per every million output tokens (the result the models returns from your prompt). Compare that to Gemini 3 Pro, which costs $2.00 per every million input tokens, and $12.00 per every million output tokens, or GPT-5.2's $3.00 and $15.00 costs, respectively. For what it's worth, it's not as cheap as Gemini 2.5 Flash ($0.30 and $2.50), or Grok 4.1 Fast for that matter ($0.20 and $0.50), but it does outperform these models in Google's reported benchmarks. Google notes that Gemini 3 Flash uses 30% fewer tokens on average than 2.5 Pro, which will save on cost, while also being three times faster.

If you're someone who needs LLMs like Gemini 3 Flash to power your products, but you don't want to pay the higher costs associated with more powerful models, I could image this latest lightweight model looking appealing from a financial perspective.

How the average user will experience Gemini 3 Flash

Most of us using AI aren't doing so as developers who need to worry about API pricing. The majority of Gemini users are likely experiencing the model through Google's consumer products, like Search, Workspace, and the Gemini app.

Starting today, Gemini 3 Flash is the default model in the Gemini app. Google says it can handle many tasks "in just a few seconds." That might include asking Gemini for tips on improving your golf swing based on a video of yourself, or uploading a speech on a given historical topic and requesting any facts you might have missed. You could also ask the bot to code you a functioning app from a series of thoughts.

You'll also experience Gemini 3 Flash in Google Search's AI Mode. Google says the new model is better at "parsing the nuances of your question," and thinks through each part of your request. AI Mode tries to return a more complete search result by scanning hundreds of sites at once, and putting together a summary with sources for your answer. We'll have to see if Gemini 3 Flash improves on previous iterations of AI Mode.

I'm someone who still doesn't find much use for generative AI products in their day-to-day lives, and I'm not entirely sure Gemini 3 Flash is going to change that for me. However, the balance of performance gains with the cost to process that power is interesting, and I'm particularly intrigued to see how OpenAI responds.

Gemini 3 Flash is available to all users starting today. In addition to general users in Gemini and AI Mode, developers will find it in the Gemini API in Google AI Studio, Gemini CLI, and Google Antigravity, the company's new agentic development platform. Enterprise users can use it in Vertex AI and Gemini Enterprise.

10 Hacks Every Car Owner Should Know

Dec. 17th, 2025 08:30 pm
[syndicated profile] lifehacker_feed

Posted by Jeff Somers

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America is a car-centric culture—more than 90% of U.S. households have at least one vehicle. There are a lot of different kinds of cars, from old classics being maintained with love, to snazzy new electric rides, or luxury cruisers filled with cutting-edge tech. Whichever kind you drive, getting the most out of your vehicle demands regular maintenance and sensible driving practices, but you can also goose just a bit more out of any vehicle with these universal car hacks.

Throw some anti-seize lubricant in your trunk

If you’ve been driving for a while, you know that flat tires only come at the worst possible times. Sunny days when you have plenty of time? Those tires are infallible. Whiteout conditions and you’re racing to a job interview? Guaranteed flat—and you will discover that your lug nuts have fused and become absolutely impossible to shift.

One way to prevent this is the judicious use of a little anti-seize lubricant, which is designed to prevent rust and other corrosion. Mechanics argue about this, to be fair—some professionals believe that using anti-seize on lug nuts changes the required torque, which can loosen them over time. But plenty of folks have used a small amount of anti-seize lubricant to make changing or rotating tires a lot easier without any adverse effects. The key is to use a very small amount—just enough to protect the threads.

Add silicone lubricant to your door gaskets

The seals around your car’s doors help to insulate the interior. Over time, these seals can become stiff and begin to fall apart, which makes your vehicle unattractive and less comfortable to ride in. You can prevent this with a simple hack: Grab some silicon lubricant and apply thin layer onto the rubber gaskets around your doors, trunk, and windows. It’ll save you a bit of frustrating maintenance in the future—and can prevent doors from freezing closed in winter. (An oft-repeated version of this hack is to use petroleum jelly, which is OK in a pinch, but it can cause rubber to degrade over time, which silicone lubricants won't.)

Track your tire tread wear with a quarter

Tire tread is essential for the safe and efficient operation of your car. Bald tires not only make it more likely you’ll hydroplane or otherwise lose control of the vehicle, they also make your car burn more fuel to overcome their rolling resistance, lowering your vehicle’s fuel efficiency.

Tire tread is measured in 32nds of an inch—new tires typically have a tread depth of 10/32” or 11/32”, and you should replace your tires when the tread is eroded to about 4/32” or less. You can track this easily with a quarter—find the most worn-down spot on your tire, slide an upside-down quarter into the tread. If you can see the top of Washington’s head, you should replace the tire. You can also use a penny to see if you can still see the top of Lincoln’s head, but this measures 2/32” of tire tread, which means you should replace the tire immediately. The quarter test warns you to replace your tire before it’s a dangerous situation.

Prevent small window cracks from spreading with nail polish

A cracked windshield is ugly, and even a tiny crack will probably spread, slowly but inexorably, until you have no choice but to replace the glass entirely. If you have a noticeable crack in your windshield, you should replace it—but if that’s not possible right away, there’s a short-term hack you can use: Nail polish.

This isn’t a permanent repair, but it will buy you some time by slowing down the crack’s spread. Clean the damaged area thoroughly, then coat the exterior and interior of the cracked area with clear nail polish. Let it dry, and go about your business. You'll still eventually need to replace the windshield (or have a more permanent repair job done to it), but this hack will let you plan for the work instead of having to deal with it as an emergency.

Stop stuff from falling between the seats with pipe insulation

Have you ever lost your keys, phone, or anything else between the seats in your car? If so, you know it’s like Mission: Impossible to reclaim your property. Those spaces were just not designed for human beings to get into.

An easy hack to prevent the situation from happening in the first place is to close off those gaps (this also prevents crumbs and other dirt from filling those spaces). Pipe insulation is the perfect material for this: Cut a piece to length and jam it between the seats (or the seats and the console), and never lose anything ever again. In a pinch, the ever-useful pool noodle could be used as well. Alternatively, you can buy storage organizers designed to fit in those gaps, which solve the problem while giving you some extra space for stuff.

Use a plunger to fix minor dents

A dent in your car is annoying—and potentially expensive to fix. For minor cosmetic dents, you don’t need any special tools or professional help. All you need is a heat source and a common bathroom plunger.

For the heat source, you can boil some water, pour it over the dent, then use the plunger to pull the dent out. You can also use a heat gun or a hair dryer, though the water might help the plunger get a nice seal on the car body.

Put socks on your wiper blades

Nothing’s more fun than fighting your way through frigid cold to your car, only to discover that the wiper blades have frozen to your windshield. Sure, your car will eventually heat up enough to free the wipers, but if you’d prefer not to have to wait for that miracle to happen, keep an old pair of tube socks in the glove compartment. On cold nights when frozen wipers are a good probability, cover your wiper blades with the socks. This will protect them from damage as well as prevent them from freezing onto your windshield.

Try to always turn right to save money on gas

This is one of those amazing tricks that people have difficulty believing, but it actually works: To save money on gas, always make right turns unless a left turn is absolutely necessary—yes, even if that makes your trip longer.

UPS put this policy into its vehicle routing software, instructing their drivers to avoid left turns as much as algorithmically possible, and it claims to use about 10 million fewer gallons of gas every year as a result. In fact, our greatest repository of scientific knowledge, Mythbusters, once did a segment proving that they used about 3% less fuel by avoiding as many left turns as possible while driving a fake delivery truck.

Note, this doesn’t mean never making a left turn. It means prioritizing right turns when planning your route, even if it makes your trip longer. Whether the extra time involved is worth saving a little gas money is a whole other decision.

Use hand sanitizer on frozen locks

Another annoyance on cold winter mornings? Frozen car locks and doors. While most newer cars have keyless entry these days, you can still find yourself dealing with a frozen door, and if your battery has died due to the cold, you might need to use a physical key to gain entry to the car. When that happens, a simple hack is to whip out the hand sanitizer you probably have in your coat pocket. Squirt some into the lock (or coat your physical key before you insert it) or around the edge of the door. After a few seconds, the alcohol in the sanitizer will have melted the ice and you’ll be able to easily open everything up.

Get a glovebox organizer to maximize your storage space

No one has used a car’s glovebox to store gloves in a long time. What most of us do is jam things in there on the theory that we might need them someday, then forget what’s in there and go a decade or two without actually opening it.

Instead, hack that space with an organizer. You can find some molded plastic organizers designed to fit specific models (like this one for a Toyota Tacoma, or this one for Tesla Model 3s), or you can find wallet-style organizers that will keep your documentation and other items neatly stored, making the glove box actually useful for a change.

[syndicated profile] lifehacker_feed

Posted by Jake Peterson

AirDrop is one of Apple's best features. I use it on a daily basis to share files between my various Apple devices, but it really shines when I'm sharing stuff with other people, or vice versa. It can be tricky to find a quick solution to send larger files. Emails have too low a file size limit, chat apps can compress files, and cloud storage can fill up fast, but AirDrop is simple, built-in, and reliable. It even works with Android now, albeit just the Pixel 10.

If AirDrop has one flaw, it's that it's not particularly easy to use with strangers. Apple has changed how this side of AirDrop works over the years. For the longest time, you had two AirDrop settings: "Contacts Only," which only lets your saved contacts find your device for AirDropping files, and "Everyone," which leaves your AirDrop open to anyone with an iPhone to send you stuff. This was convenient when you needed to share files with strangers, but inconvenient if you left it on: Anyone with an iPhone could see your iPhone and send you anything—like, say, a bomb threat while on an airplane. Not good.

Then, Apple changed this latter functionality to "Everyone for 10 Minutes." Ever since, if you want to open up your AirDrop to people outside your contacts, you have to manually enable this toggle, which will only stay open for, well, 10 minutes. After that, it switches back to "Contacts Only." That's an improvement in security, but not in convenience. If you're ever in a situation where you need to AirDrop something to someone relatively frequently but you don't want to add their contact to your iPhone, you'll be switching back to "Everyone for 10 Minutes" every 10 minutes.

iOS 26.2, Apple's newest iPhone update at the time of this writing, introduces a solution—AirDrop codes. This feature forces anyone not saved in your contacts who wants to share something with you via AirDrop to ask for a one-time code first. Once you share that code, that user is temporarily saved on your iPhone for 30 days, allowing you to AirDrop repeatedly without issue. After those 30 days are up, the user leaves your iPhone, and you don't need to worry about pruning your Contacts app down the line. (This same functionality also applies to AirDrop on iPadOS 26.2 and macOS 26.2.)

How to AirDrop with strangers using AirDrop codes

Here's how this new AirDrop experience works with strangers going forward. Let's say you're at a conference and you meet someone who wants to send you some relevant materials via AirDrop. You set your AirDrop settings to "Everyone for 10 Minutes," they see your contact, and attempt to send you the file.

On your end, you see the request, with a "Continue" option: Once you tap it, you'll see the AirDrop code on your iPhone, iPad, or Mac. You can tell the code to the sender, who can enter it on their device. If successful, the file will be shared like any other AirDrop interaction.

As stated above, this allows you to AirDrop with this contact for 30 days without needing to bother with another AirDrop code. But if you're done sharing with the stranger for good, you can remove their temporary contact early. Head to the Contacts app, hit the back button in the top left if applicable to head to Lists, then choose Other Known. Here, you'll see any temporary contacts generated from previous AirDrop sessions, which you can delete ahead of that 30 day deadline. Otherwise, your device will take care of it once that timeframe has elapsed.

[syndicated profile] lifehacker_feed

Posted by Emily Long

Another PayPal phishing scam is circulating, this time with email notifications about recurring or automatic payments. The messages originate from a legitimate PayPal address, allowing them to evade some security filters and leave recipients worried that their accounts have been compromised—perhaps just enough to ignore the obvious red flags and call or email scammers back.

I personally have been targeted by this scam with at least five separate emails, though all have gone straight to my spam folder. Here's how scammers are exploiting PayPal settings to land in your inbox.

How the PayPal scam works

If you're targeted by this campaign, you may receive an email with the subject line "Your automatic payment status has changed" or "Recurring Payment Reactivated." The layout imitates a real PayPal notification and includes a message about a high-dollar payment being "successfully processed" along with a customer service email and phone number to contact PayPal support.

The email is full of red flags: It is addressed to a random name (or, in one of the messages I received, "Hello Update Invoice"), has poor spelling and wonky formatting, and simply doesn't make sense. You can easily spot oddities like bold text and Unicode characters, which BleepingComputer notes is a trick used to bypass spam filters and keyword detection.

paypal scam email
Credit: Emily Long

Where the trick lies is in the sender field, as the email comes from service[at]paypal[dot]com, a legitimate PayPal address, and paypal.com is in the signed-by field. As Malwarebytes Labs describes, this is likely an abuse of PayPal's subscription billing feature. If a merchant pauses a customer subscription, the user will receive an automatic email from PayPal notifying them that their payment is no longer active. Scammers are likely setting up fake subscriber accounts using Google Workspace mailing lists, so automatic emails being generated are sent to everyone on those lists. If you look at the "To:" field, you'll see that the message isn't actually addressed to your email.

Exploiting these types of loopholes to make phishing emails seem legit is a common tactic, and I've covered several similar PayPal phishing campaigns already this year. According to a statement provided to BleepingComputer, PayPal is working on mitigating this specific flaw.

Ignore PayPal payment notifications

If one of these PayPal messages lands in your inbox, don't engage with it. Scammers frequently use emails, texts, and calls about account security and financial transactions to scare you into action, and the impersonation of trusted institutions is often pretty convincing.

If you are concerned about activity on your PayPal account, go directly to the app or website and log in to view alerts and check transactions. Do not use contact information or click any links in the original notification, as this increases the chances of compromising your information or downloading malware to your device.

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