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Also, iirc iphones have this feature where if you appear to be under duress, it will refuse to unlock and disable face id. Is this true?

Sort of: if you hold the buttons on both sides of the phone for about three seconds, it will bring up the Power Off/SOS screen. You do not need to interact with that screen, just display it. Easy-peasy, you can do it with the phone in your pocket. Once that screen is displayed, it requires a passcode to unlock the phone. The courts have determined that the passcode is protected by the 5th Amendment, but biometrics are not.

https://arstechnica.com/tech-policy/2023/12/suspects-can-ref...


It would be useful imho if an option was available for the phone to automatically enter this mode if separated for more than X seconds from a paired watch or airtag, or with sufficient vibration/acceleration (throw or stomp it). Similar adversarial defense as the phone rebooting after three days [1]. Perhaps part of Advanced Data Protection.

Not legal advice. Having a trusted contact remotely wipe the device is also a potential option with appropriate iCloud creds and a message passed [2], assuming the device is not powered down or kept in a physical location blocking internet/cellular channels.

[1] New Apple security feature reboots iPhones after 3 days, researchers confirm - https://news.ycombinator.com/item?id=42143265 - November 2024 (215 comments)

[2] Erase a device in Find Devices on iCloud.com - https://support.apple.com/guide/icloud/erase-a-device-mmfc0e...


Given that my Apple Watch throws alerts when I leave a device behind (“mikestew’s iPhone was left behind at $PLACE”), it would be just one more step to flip that “no biometrics” bit. I’m assuming that those APIs are not available to 3rd party devs, so I can’t write my own.

GrapheneOS by default autoreboots after 18 hours. You can reduce it much further, to as little as 10 minutes. This deletes the keys from memory and prevents a whole range of AFU attacks that sometimes happens.

It's a problem Apple could easily fix: put out another small phone. I'm in the "cold dead hands" camp with our 13 Minis: when the battery dies, get a new one and hope Apple comes to their senses in four years.

OTOH, maybe the iPhone Fold will turn out to not be two giant slabs of glass that still won't fit in your pocket. Maybe it'll be a reasonable size folded up, and big when unfolded. A person can dream...


…discontinuing the basic lane keep + adaptive speed cruise control they helped pioneer in cars sold going forward.

[Citation needed] Cars had adaptive cruise control and lane keeping well before Tesla showed up.

As for the feature itself, we have a camper van on a 2024 Ram chassis. It’s a work truck at its core, with fancy RV bits added on. And it has ACC/lane keeping. It claims it will even park itself, though I’ve not tried.

So Tesla is now charging for features that your roofer got for free with her work van. Such luxury.


Well before indeed...it first was available in the mid '90s.

It was 2006 that adaptive cruise control systems that could work in stop and go traffic came out.


so you win X race/competition once and then what?

So now you're on a Wheaties box and making millions in endorsements, that's what.

Even if it shortens their life, many athletes would take a drug that guarantees athletic success: https://en.wikipedia.org/wiki/Goldman%27s_dilemma The results have been disputed, but the take-away for me is that athletes have a variety of motivations, and the perceived rewards might be very different than what you might find rewarding.


A high-level athlete doesn’t need to see a sports doctor. Why is that?

If one wishes to observe “begging the question” in the true definition of the phrase, there ya go. Many high-level runners struggle with constant injury. And those are the ones you’ve heard of. The ones you haven’t heard of? They couldn’t stay healthy at the level of training required. At high levels, athletes are pushing themselves right up to the brink of injury, and hopefully not past that point. It’s an otherwise okay article, but that sentence is a swing and a miss.


Yes this is like saying a Formula 1 car doesn't need a pit crew because it's faster than a Honda Civic. The opposite is true: high performance requires operating at the absolute limit of mechanical failure.

Novice athletes operate at 50% of their capacity and have high safety margins. Elite athletes redline at 99%. They need constant medical and PT leverage not because they are "sick," but to manage the structural debt accrued from that volume. The better the athlete, the tighter the feedback loop with their support staff needs to be to prevent system collapse.

Most athletes have (and need!) regular access to shared or personal sports therapists.


These days it's arguable that F1 needs pit crews because pit stops are the only source of entropy during a race but I (bitterly) digress.

I used to run 5 miles a day on trails in a nature preserve. There were sections that were skewed to one direction, and dangerously so after rains. There were uncleared fallen trees to hop over. Etc.

One day, a coworker joined me. He was a serious runner, and was recuperating from a knee injury, hoping to compete again in a month or two. His pace, learned on tracks and city sidewalks, was so much faster than mine that I noticed him jogging in place when I hit a slow patch. After we finished, he went back and ran it again at his preferred pace.

Next Monday he reported that he had exacerbated his injuries on the trail, and would probably never be able to run again.

Talk about pushing yourself to the brink... I mean, if that course had been flat, he would have been fine. But his "high-level" techniques were honed on a course without the threats and extra challenges for his support muscles, and that combination ruined him.


Not OP, but I’ve been running competitively for 50 years (yes, I can collect Social Security). I ran 10x20” sprints yesterday, I’ll do tempo later this week. I still race, from cross country to ultramarathons. I ran cross country nationals this past year and didn’t embarrass myself, I’ll run a 12 hour race in April.

My secret? Genetics. I used to tell people that would ask about what I know about their injuries: “I don’t really know, I don’t get injured.” That isn’t true anymore, I’ve been nursing plantar fasciitis for about six months now. But I will say this about injuries: if it doesn’t get better in a couple of days, take a little time off, and see a doctor if it persists more than a couple of weeks. And my other “secret” is to be reasonable about your mileage. OP has the right idea with a few runs a week at a reasonable distance. I don’t do that, that’s probably why my foot hurts right now. You can miss a day, none of us are going to the Olympics.

Otherwise, after 40, don’t just run. Do yoga, lift weights, ride a bicycle once in a while. Sacrifice a run if you have to so you can lift twice a week, you’re not getting any stronger. Take ten minutes with a YouTube video to do some yoga, you’re definitely not getting any more flexible. You should do these things when you’re young, but they are almost a requirement after age 50.


“One of the higher-frequency harmonics inevitably created by any real-world DAC during playback will then be the original fundamental, which should leak to the environment as a short-range radio transmission via the ad-hoc antenna formed by the physical wires and circuit traces in the audio output path.”

Sometimes I think I’m a smart guy…and then I read of people doing shit like this.


Van Eck Phreaking dates back to 1982, which used CRTs, and if you're aware of that, it's not an insurmountably huge logical leap to realize that modern hardware can be exploited the same way (thanks to greater sensitivity in receiving devices).

https://en.wikipedia.org/wiki/Van_Eck_phreaking


I first learned about this while reading Cryptonomicon. It seemed too fantastical to be a real thing.

Pretty sure it was in Snow Crash

No, check out https://en.wikipedia.org/wiki/Cryptonomicon#Technical_conten...

It was in a passage where some secondary character was in a prison cell and managed to spy on the screen across the wall using the technique.


Reminds me of the theremin. Turning an interference into something useful (or beautiful)

THIS is what you call hacking

A shame this hasn't shot to number 1 on HN and stayed there. At least it's getting reasonable upvotes.

This is a truly fantastic piece of hacking, going by the original meaning of the word as used within the dawn of the computer era.


Came here to say this, I literally can't believe this works.

It's like a couple of years ago where someone showed a proof of concept of turning a HDD into a microphone


It turns out those shopping car wheel locks use the same kind of low-frequency RF that can leak from your phone speaker. Someone made an app that allows you to lock or unlock certain shopping carts.

… and I thought the Scanjet 5p “Ode to Joy” easter egg was incredible.

Me, every day on HN, feeling that imposter syndrome.

Oh, they’re coming for IG, too:

“IG is a drug”: Internal messages may doom Meta at social media addiction trial

https://arstechnica.com/tech-policy/2026/01/tiktok-settles-h...


Then don’t believe it and go on with your day. No one owes you a link to anything, especially if you simply don’t pay attention to Amazon’s widely-reported business practices.

I'm sure Apple appreciates the advice, especially considering how few people buy their pricey phones and accessories.

C'mon, this is the same company that sells a $230 sock for your phone. And they sold out of the first batch. Apple knows their market, and some people...don't.


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