@cypnk you can't just make a big red button and expect people NOT to press it

@Gargron @cypnk

100%

if the killswitch was instead a doorbell button nobody would ever press it for any reason

they never really do

@Gargron @cypnk

actually this probably is a small part of why silent alarm switches are often so nondescript

nobody unfamiliar with the equipment pushes it for funsies, it looks "boring"

(but, like, mostly the reason would be so that bad faith actors can't find them/disable them as easily)

@sydneyfalk @Gargron @cypnk

Nobody touches a doorbell button, unless of course the door bell is broken.

@cypnk

first sarcastic reaction: "we don't need to think about how people will use the tech, we just make it" has come back to meet techies with a nice punch to the nose, here

second sarcastic reaction: maybe this is electricians getting revenge on programmers

first serious reaction: why in the flying hell is that switch *outside* the lab

second serious reaction: why doesn't the switch have at least a cover over it of some form you have to flip up like a missile arming switch or whatever

@cypnk now I'm even more curious what will happen when pressing that button

@httpeter @cypnk I know! If anything the explanation makes me want to push it more. And why does the switch control equipment inside the room?

@cypnk isn't this why you have little plastic flaps that you have to flip up before you push the button on stuff like this?

@cypnk location could be a significant factor. The "shut down website" button which is right next to the "login" form, could cause a lot of website shutdowns "for some reason". Mind you, it is *possible* that the location is where it needs to be.

@cypnk
Why even put the shutdown switch anywhere near the doorbell 馃槙

@cypnk at work a middle aged woman whose elderly mother was being admitted as a patient mistook a fire alarm call point in the front doorway for a doorbell.

I had to file a whole incident report for that (if the fire bells go off it has to be treated as a potential fire until entire building is checked, added to which there are loud sirens, some doors auto closing and smartdoors to outside opening (that means patients who are not safe to go out all need to be closely watched)

@vfrmedia That's kinda different to how it's done at sea! When a fire alarm is raised, only the immediate location needs to be checked before the alarm is cancelled. It's only if > 1 adjacent call points/detector heads/whatever go into alarm that vessel-wide emergency stations is immediately called without a local check, fire doors auto close, etc.

I'd have thought a similar system would make more sense in ie. a hospital, too?

@cypnk

@ej

it does show up on the display where the call was made from and the search concentrates on this area, but in this case the location was the main entrance, so its treated as a potential incident anywhere on site including outside areas (where there are rubbish containers, trees, wooden fence, smokers area etc..)

@cypnk

@cypnk Have one guy in our department that thought the e-stop in the lab was the door unlock button. we have to swipe in and out. Managed to kill network connection to remote data centre, so no computers or phones for entire building.

@cypnk

And then all those hackerspaces using estop switches to open/close their hackerspace 馃槅

@cypnk If you have to write an essay about it, your design is broken. If you put a button next to a door, you're grouping it with the door. Yes, people will press it thinking it gets them in the door one way or another. Instead of understanding your mistake, writing up a sassy notice and victim blaming exposes/perpetuates the culture of arrogance, lack of empathy, and implicit disdain/othering of your audience that resulted in such a daft decision being made in the first place.

@aral @cypnk I don鈥檛 think that the people who wrote this notice (people in the lab, caretaker) have mich - if any - influence on the form and placement of this button. This is not only an example of bad UI but even an example of decoupling between the people deciding and the people suffering the consequences.

@aral It鈥檚 also possible that the people didn鈥檛 have much choice in placement, either by logistics or safety. Often labs have

We can also empathize with the folks having hours (or days?) of their work ruined by this

@aral @cypnk It's not bad UI, you want that panic button easily reachable from the door so the machines or fire suppression can be shut down in an emergency. The mistake is letting amateurs into a dangerous space without training. I'd want a locking cage door, and maybe a guard, between that door/button and amateur areas.

@mdhughes @aral @cypnk generally emergency stop buttons are on the inside of the door so you can hit it as you go through the door first and it鈥檚 way more visible to the people that need to use it.

Unless their is another one on the inside too, it鈥檚 a bad design.

@cypnk Our old hackspace had a big red buzzer as a door bell for years 馃榾 It was really difficult to convince new pizza delivery services to press that button.

@cypnk
Put it next to a doorbell button but the doorbell is the E-STOP and vice versa

@jorty I鈥檓 gonna try this as a social experiment some day

Humans are fun to research

@cypnk
Exodus had a datacenter shutdown once because some idiot thought the big red button was the elevator call button. You had to push two buttons at once. And there was a piercing shriek if you pushed one. There were instructions by it that said push both buttons for EPO. I guess the guy thought the E stood for elevator. They kicked the customer who hired the contractor out of the datacenter entirely.

@cypnk granted, lots of buildings have exit buttons that are literally big red buttons that look like they launch nukes

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