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New wave of GLP-1 drugs is coming–and they're stronger than Wegovy and Zepbound

https://www.scientificamerican.com/article/new-glp-1-weight-loss-drugs-are-coming-and-theyre-stro...
1•randycupertino•1m ago•0 comments

Convert tempo (BPM) to millisecond durations for musical note subdivisions

https://brylie.music/apps/bpm-calculator/
1•brylie•3m ago•0 comments

Show HN: Tasty A.F.

https://tastyaf.recipes/about
1•adammfrank•4m ago•0 comments

The Contagious Taste of Cancer

https://www.historytoday.com/archive/history-matters/contagious-taste-cancer
1•Thevet•5m ago•0 comments

U.S. Jobs Disappear at Fastest January Pace Since Great Recession

https://www.forbes.com/sites/mikestunson/2026/02/05/us-jobs-disappear-at-fastest-january-pace-sin...
1•alephnerd•6m ago•0 comments

Bithumb mistakenly hands out $195M in Bitcoin to users in 'Random Box' giveaway

https://koreajoongangdaily.joins.com/news/2026-02-07/business/finance/Crypto-exchange-Bithumb-mis...
1•giuliomagnifico•6m ago•0 comments

Beyond Agentic Coding

https://haskellforall.com/2026/02/beyond-agentic-coding
2•todsacerdoti•7m ago•0 comments

OpenClaw ClawHub Broken Windows Theory – If basic sorting isn't working what is?

https://www.loom.com/embed/e26a750c0c754312b032e2290630853d
1•kaicianflone•9m ago•0 comments

OpenBSD Copyright Policy

https://www.openbsd.org/policy.html
1•Panino•10m ago•0 comments

OpenClaw Creator: Why 80% of Apps Will Disappear

https://www.youtube.com/watch?v=4uzGDAoNOZc
1•schwentkerr•14m ago•0 comments

What Happens When Technical Debt Vanishes?

https://ieeexplore.ieee.org/document/11316905
1•blenderob•15m ago•0 comments

AI Is Finally Eating Software's Total Market: Here's What's Next

https://vinvashishta.substack.com/p/ai-is-finally-eating-softwares-total
2•gmays•15m ago•0 comments

Computer Science from the Bottom Up

https://www.bottomupcs.com/
2•gurjeet•16m ago•0 comments

Show HN: A toy compiler I built in high school (runs in browser)

https://vire-lang.web.app
1•xeouz•17m ago•0 comments

You don't need Mac mini to run OpenClaw

https://runclaw.sh
1•rutagandasalim•18m ago•0 comments

Learning to Reason in 13 Parameters

https://arxiv.org/abs/2602.04118
1•nicholascarolan•20m ago•0 comments

Convergent Discovery of Critical Phenomena Mathematics Across Disciplines

https://arxiv.org/abs/2601.22389
1•energyscholar•20m ago•1 comments

Ask HN: Will GPU and RAM prices ever go down?

1•alentred•21m ago•0 comments

From hunger to luxury: The story behind the most expensive rice (2025)

https://www.cnn.com/travel/japan-expensive-rice-kinmemai-premium-intl-hnk-dst
2•mooreds•22m ago•0 comments

Substack makes money from hosting Nazi newsletters

https://www.theguardian.com/media/2026/feb/07/revealed-how-substack-makes-money-from-hosting-nazi...
5•mindracer•23m ago•0 comments

A New Crypto Winter Is Here and Even the Biggest Bulls Aren't Certain Why

https://www.wsj.com/finance/currencies/a-new-crypto-winter-is-here-and-even-the-biggest-bulls-are...
1•thm•23m ago•0 comments

Moltbook was peak AI theater

https://www.technologyreview.com/2026/02/06/1132448/moltbook-was-peak-ai-theater/
1•Brajeshwar•23m ago•0 comments

Why Claude Cowork is a math problem Indian IT can't solve

https://restofworld.org/2026/indian-it-ai-stock-crash-claude-cowork/
2•Brajeshwar•23m ago•0 comments

Show HN: Built an space travel calculator with vanilla JavaScript v2

https://www.cosmicodometer.space/
2•captainnemo729•24m ago•0 comments

Why a 175-Year-Old Glassmaker Is Suddenly an AI Superstar

https://www.wsj.com/tech/corning-fiber-optics-ai-e045ba3b
1•Brajeshwar•24m ago•0 comments

Micro-Front Ends in 2026: Architecture Win or Enterprise Tax?

https://iocombats.com/blogs/micro-frontends-in-2026
2•ghazikhan205•26m ago•1 comments

These White-Collar Workers Actually Made the Switch to a Trade

https://www.wsj.com/lifestyle/careers/white-collar-mid-career-trades-caca4b5f
1•impish9208•26m ago•1 comments

The Wonder Drug That's Plaguing Sports

https://www.nytimes.com/2026/02/02/us/ostarine-olympics-doping.html
1•mooreds•27m ago•0 comments

Show HN: Which chef knife steels are good? Data from 540 Reddit tread

https://new.knife.day/blog/reddit-steel-sentiment-analysis
1•p-s-v•27m ago•0 comments

Federated Credential Management (FedCM)

https://ciamweekly.substack.com/p/federated-credential-management-fedcm
1•mooreds•27m ago•0 comments
Open in hackernews

What UI first distinguished radio buttons from checkboxes with circles/squares?

https://retrocomputing.stackexchange.com/questions/31806/what-ui-first-distinguished-radio-buttons-from-checkboxes-with-circles-and-squar
72•azeemba•7mo ago

Comments

block_dagger•7mo ago
What UI uses circles with checkmarks in them as “OK” buttons? iOS 26. Facepalm.
johnisgood•7mo ago
Can I see a screenshot of that? Sounds weird.
vbezhenar•7mo ago
https://i.redd.it/yg2yk2071x7f1.jpeg
johnisgood•7mo ago
Is it not just a circle shaped button?
LoganDark•7mo ago
They said it was a circle with a checkmark in it as an "OK" button, which is exactly what it is; they never said it was a radio button.

Here is a screenshot of what actual checkboxes and radio buttons look like on iOS 26 Beta 2: https://imgur.com/a/TwMRW4X

hnlmorg•7mo ago
Isn’t that just the same as the close buttons that have existed in desktop operating systems for decades?

Eg https://www.computerhope.com/issues/pictures/close-window.jp...

I think people have long since learned that if an X is on the corner of a window, that is a button which closes that window.

wqweto•7mo ago
And Delphi
aidos•7mo ago
More crucially, when did we lose the ability to click and hold on the first checkbox and then drag down the list to set them all the same way!

> 1982: Dragging through a field of check-boxes flips the state of the first and assigns the new state to all other boxes dragged through.

exiguus•7mo ago
What comes close are multi-select patterns. Often drop-downs where you can use the ALT-Key or dragging to select one or more items. Basically the same as in your beloved file-explorer and the list view. To archive a select all, usually there is a "select all" checkbox.
earthnail•7mo ago
On iOS you can swipe with two fingers to select multiple rows. One of the more hidden features. Mentioning it to show that we didn’t lose it everywhere.
yokljo•7mo ago
Blender does this. It's sick.
jfengel•7mo ago
I don't know when I would use that. If that's something a user would do often I probably want some other design component.

In part it's because I don't like check boxes. They don't have great feedback about what's going to happen. If I designed a UI where someone is likely to check a lot of boxes, I would feel I had done something very wrong.

Sometimes it's unavoidable and so the framework might as well allow it. And as a user, designers often do things I wouldn't have. But I can say I don't miss having that feature.

mewpmewp2•7mo ago
Maybe when you have e.g. a list of items/pictures/datasets you want to select to perform some action with, e.g. download, export, or perform some bulk job on?
jfengel•7mo ago
With pictures I'd rather use select features: draw a box, shift click, etc.

File choosers usually do something like that, rather than a separate check box component. You select the icon rather than a check box near the icon, so it's slightly clearer what it is you want operated on.

Ideally you'd find other ways to narrow the list. A long list of items is a UX disaster waiting to happen. The more you can categorize your data beforehand, the better off you are. If you can make it all-or-nothing, you're less likely to mis-click.

paradox460•7mo ago
I really wish more file choosers would adopt both. Checkboxes are good for making complex, discrete selections that persist through accidental clicks. I can't tell you the number of times I've made a discrete selection of several items, only to lose it because the click misregisters on background instead of the icon
teddyh•7mo ago
ISTR a discussion in Tog on Interface on the design choices available, with visual examples. This seems to indicate that the choice was made there.
RodgerTheGreat•7mo ago
You're thinking of a discussion about a hypothetical variant of the radio button, a "one or more" UI element. Discussion here on Lobste.rs:

https://lobste.rs/s/v6mkz6/implementing_one_more_ui_componen...

exiguus•7mo ago
When I see UI radio buttons, I often think about old radios, dishwashers, or washing machines, where you had two or three buttons aligned, and when you press one, the other(s) pop up (if they are already down).
Waterluvian•7mo ago
That’s precisely the metaphor. A radio as in the radio station presets in your car.
adolph•7mo ago
iirc, radio buttons were an early form of bookmark in that one would rotate the tuner whose position was annotated by a scale marker, and when the radio was tuned as desired, one would pull the radio button, then push it in to set that button to that tuning. I have a memory of the tactile sensation in my fingers.
nkrisc•7mo ago
That is why they are called "radio buttons".
smallstepforman•7mo ago
I actually had a radio with circular radio buttons, which would pop back when you selected another option. It had switches instead of check boxes.

The one that drives me crazy is slider based checkboxes. I never know which side is on/off. Bad UI convention.

And speaking of checkboxes, I want an actual tick mark (checkmark), not a X cross. Its called checkbox, not Xbox or crossbox, it has to be a checkmark. Also, its a square, not a box. Disaster.

Tmpod•7mo ago
You mean those toggles that are very common on settings pages (i.e. in Android/iOS)? If they are colored, they are very easy to parse, imo, but it never hurts to actually write "on"/"off".

Those toggles actually mimic real hardware that used to be fairly common. I find those should be preferred over checkboxes for anything that takes immediate effect. If they don't, and you're collecting a bunch of options at once, in a form, then use checkboxes.

hedora•7mo ago
Unlabeled slider switches were never particularly common.

For instance, my old stereo has push button toggles, where “in” means “on” (this convention was common because of how those switches work), and three way levers with labels on two of the three positions (there’s no space to label the middle position, and it means “default”.

exiguus•7mo ago
I remember them on mp3-Player, Walkmans, Microphones and even Mobile-Phones. Usually on device that you want to lock or particularly turn on and off. And sometimes you have to push them hard with the help of your Fingernail.
cenamus•7mo ago
Often enough they are on some websites settings, with (almost) no color, but labelled with imperatives. Option X: "activate". Do I press to activate, or is it already on?
dragonwriter•7mo ago
> If they are colored, they are very easy to parse

Relying on color to make something easy to parse is an awesome accessibility choice.

Tmpod•7mo ago
They can be colored and adapt to accessability settings, including color corrections for different types of colorblindness or other impairments. All the toggle designs I've seen in the wild also have the space to write "on"/"off", a check/cross, etc.
exiguus•7mo ago
I thought about more then two options. For example when you have 10 TV or Radio Channels. They are numbered from 1 to 10. And only one channel can be chosen. Or for example, you can buy concert tickets, maximum is 4 per purchase. You may want radio buttons with a number from 1 to 4. Or you have to choose a color or size for a t-shirt (Mostly they look like buttons but there functionality is radio).
clickety_clack•7mo ago
Some toggles are labeled terribly as well, so it’s not clear what “on” even means. Or double negatives so it demands that extra mental cycle just for the sake of having all the sliders to the same side in the default configuration.
Tmpod•7mo ago
Oh yeah, those are just objectively awful X)
fsagx•7mo ago
>If they are colored, they are very easy to parse

unless the colors are red and green, and the user happens to be red-green colorblind. So yes, always have text indicate on/off as well.

oneeyedpigeon•7mo ago
Our first TV was like this too - before remote controls.
fainpul•7mo ago
And those buttons needed to be round, because you could turn them to tune the radio or TV to a station. Pressing the button would then "snap" the tuner back to the preset position of the pressed button.
myself248•7mo ago
No they didn't. My first car had a Blaupunkt radio with buttons that worked like that, but they were rectangular.
hedora•7mo ago
I think turning the tuning knob typically popped out the preset button, and holding the button down while turning the tuning knob changed the preset. I think this could be done with a loop of string (to control where the dial arrow was) and few springs and catches (to pull the string into position when the button was pressed).

I can’t imagine how the mechanism would work if each preset knob was a tuning knob.

namibj•7mo ago
Just have the knob rotation rotate a tuning element, and have the knob pressing switch the tuning element into the receiver circuit.
myself248•7mo ago
There was only one knob. To set a preset, you first pull the button out towards you, which released sort of a clamp internal to the mechanism, then push the button back in, and it would clamp on the string at the new position.

I'm gonna have to shoot a video next time I'm at my parents' place, aren't I? (The old Blaupunkt still serves as a stereo in the garage.)

fainpul•7mo ago
Ok, apparently there were different ways this was implemented. I remember a friends old TV as a child, where it worked exactly as I have described.

This is similar to what I mean, although it's a radio, not a TV and the buttons I remember where taller and had ridges on the side so they could be turned easily.

https://herculodge.typepad.com/herculodge/2011/06/as-i-walke...

discostrings•7mo ago
Push button light switches that had two circular buttons with this behavior also used to be extremely common.
mystified5016•7mo ago
These are properly called "ganged switches" in the physical world.

And yes, radio buttons got their name from the push-button ganged switches that were ubiquitous on pre-digital radios.

namibj•7mo ago
My stand fan for aiding in my skin convection cooling by forcing convection has 4 buttons, 3 latching power levels and 1 non-latching off button.
1oooqooq•7mo ago
damn. stack overflow is gone for me. constantly logging me out (6 digits imaginary points) and showing me cloudflare annoyance almost every request. i guess i will just ask AIs trained on their content in the end.
Tmpod•7mo ago
Yeah, it has been prompting me with CF CAPTCHAS almost every time lately. Didn't use to do that, a few months ago.
hedora•7mo ago
Ouch. Can confirm.

Some paid services I’ve used for years have started aggressively automatically logging me out while I’m driving (eg when using the CarPlay app, which doesn’t include a login screen).

I really wonder what the PM’s are thinking.

rrr_oh_man•7mo ago
> I really wonder what the PM’s are thinking.

Increase number of app downloads

hedora•7mo ago
Come to think of it, step 2 of the debugging flow for being hellbanned is “delete and reinstall the app”.

So, I guess they win?

Nextgrid•7mo ago
Those captchas take more time than going to my usual LLM and asking there. Ironically their anti-AI crusade ends up making me use AI more.
pavlov•7mo ago
My hunch is that the square vs. circle convention is derived from paper forms.

The checkbox has been a common design element in forms for a long time. But people can of course tick off all boxes.

So when form designers needed to emphasize that you should only select one option, they often used a group of non-boxed options together with instruction copy that read “Circle one” (or similar).

The name “radio button” of course comes from physical buttons, but those were often square. So I think the specific circular shape is actually derived from circling an option on paper.

true_religion•7mo ago
I had once thought the circle shape came from scantron style examination papers, where you can only fill one circle at a time. It’s similar even if the origins are probably different.
vel0city•7mo ago
A lot of Scantron-style systems (including a lot of Scantrons) support marking multiple.
eesmith•7mo ago
Yes, I had tests in the 1980s which were 'select all that apply'.
mystified5016•7mo ago
Radio buttons were also often round. The age of radio (and phenolics) was full of over-inflated round shapes.

But also, when you have a dozen monochromatic pixels to work with, 'square' and 'round' are pretty much the only usefully distinct shapes. Checkboxes were square for obvious reasons, so to distinguish a similar set of controls, you pretty much have to use a circle.

I'm pretty sure these concepts moved directly from physical systems to digital ones. Every person alive then knew what an empty square next to a line of text meant, and everyone understood the concept of ganged push-buttons. Just map it onto a pixel grid and you're good to go

IAmBroom•7mo ago
> The name “radio button” of course comes from physical buttons, but those were often square.

It's just one opinion versus another, but in my experience early radios often had round buttons. I'm thinking of the kind of radios that preceded TVs.

Cassette decks certainly had rectangular "one choice only" buttons, but those came along decades later.

qingcharles•7mo ago
iOS has a history of using round checkboxes to muddy the waters:

https://ux.stackexchange.com/questions/116712/apples-round-c...

(they're not the only offenders in this monstrosity)

vinceguidry•7mo ago
I would think actual radios.