For questions involving physical interfaces and interactions with "real world" objects.

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0
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0answers
7 views

Why do speedometers (in the US, at least) go so high?

Typically one doesn't drive much faster than 80 MPH. Even in an emergency passing situation, it would be extremely rare to drive more than 100 MPH. In fact, as far as I know many cars have governors ...
9
votes
4answers
64 views

How to indicate which way the boards plug into each other?

I'm developing a board like this that serves as an adapter for a given board that needs to be plugged like this given that the board size is the same, users tend to plug it the other way, the way ...
8
votes
3answers
457 views

Why are coiled cables rarely used?

Yesterday I saw an interesting idea: What are some potential reasons why so few cables have a coil in their middle - like old telephone cables? I know that we don't want all cables to be like that, ...
24
votes
7answers
6k views

How can a retractable pen design be enhanced to discourage users from clicking the pen frequently?

Retractable pens typically have a rather noisy mechanism. Some users periodically start pressing the pen button frequently (while they're talking on the phone or while they're waiting for some result ...
3
votes
1answer
64 views

What is the best way to visually indicate correct plug alignment with socket (hardware)?

I currently have a problem where users are not correctly aligning a plug with a socket on an electrical device, leading to the plug being forced and the pins breaking. Users have suggested putting ...
13
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2answers
274 views

What was the reason behind total transition towards wide screen displays by the manufacturers?

I often hear complains by users who are not satisfied by the wide-screen monitors and prefer traditional screen ratios of 4:3 and 5:4. Unfortunately such monitors now are quite rare and the laptops ...
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4answers
138 views

How to design a physical device?

I have an idea for a product startup. It is a wearable device with one functionality, around which I and my friend started to think. We are pretty sure that we can develop it with only this ...
0
votes
2answers
184 views

Is there a benefit from driving on one side of the road, while sitting in the other side of the car?

I've noticed that cars/automobiles manufactured for countries with right-hand traffic (where vehicles drive on the right hand side of the road) place the driver's seat on the left hand side of the car ...
122
votes
12answers
21k views

Why do idle elevators close the doors?

If the elevator stops on a floor, opens the doors to let the passengers out, and hasn't received a command to go on another floor, why does it close its doors afterwards? If the elevator is not on my ...
7
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9answers
3k views

How can employees be subtly reminded that when they talk loud in the cubicle farm corridor they disturb people in the cubicles? [closed]

We have a software shop with a cubicle farm where cubicles have non-transparent (painted drywall) walls about 1,5 meters high. There's a corridor running through the farm. Most of the time all the ...
5
votes
4answers
207 views

How can railroad operator help passengers find power outlets below their seats?

There'a railway car with passenger seats looking roughly like this (please ignore the seatbelt): Seats are arranged in ICE fashion - two rows with a passage between them, two seats in each row, ...
2
votes
6answers
225 views

Volume controls and mute order

I'm designing a remote control that only have Volume Up, Volume Down and Mute. But I can't decide where to put the mute button, in the middle or on the bottom. And what should I have for the Mute ...
6
votes
1answer
473 views

Is an office-lobby monitor slideshow any more usable than a homepage carousel?

I've got a real-world variant on the classic "Are Carousels Effective" question. My office, like many others, has a 40 inch LCD TV hanging on the wall in the lobby, and on it displays a looping ...
16
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3answers
3k views

Board game design: Which design is clearest to indicate failure?

I'm trying to design a board game (and am not an artist) but want to ensure that I've got some practical aspects designed appropriately for the layout of a card. I tried asking on ...
1
vote
5answers
143 views

What is the best way to arrange chinese words on a menu [closed]

On a English menu , the food items can be arranged according to alphabetical order For a Chinese menu , there are no alphabet, only chinese characters , what would be alternative way best to ...
40
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2answers
2k views

Why don't ATMs show blank arrows for unused buttons? [closed]

Have you ever had trouble lining the arrows up with the correct button on ATM consoles and other similar interfaces? Height of user can affect perceived alignment, as well as poor installation or ...
4
votes
6answers
195 views

Encourage use of only one roll at a time from toilet paper dispenser

The toilet paper dispenser in a bathroom stall at work made me think of an interesting problem. There are two rolls hooked up and ready for use at any time. As the rolls get smaller and smaller, the ...
2
votes
2answers
99 views

The usefulness of home appliances sound notification?

In our homes we now have home appliances such as a dish washing machine, a microwave oven, a washing machine, a tumble drier. Every one of these appliances makes a little sound notification when it's ...
0
votes
2answers
171 views

Optimising urinal use [closed]

When you visit a urinal (so one for the gents), you’ll find that where urinals are arranged in groups of 3, the middle urinal and floor are typically cleaner than those to either side. This stems from ...
-1
votes
1answer
216 views

What shape should toilet seats be? [closed]

This is something which has been annoying me for a while now. It seems a simple question: what shape of toilet seat is nicer for the user? However, I've asked around a bit and there's quite a lot of ...
2
votes
3answers
135 views

How technical should airline pilots be?

I've been on a few flights recently, and idly listening to the captain talking to the passengers got me thinking: The captain's world is very different from the passengers' world. The captain has to ...
0
votes
1answer
171 views

Toaster's “bagel button” does not work. UX or engineering issue? [closed]

Below is picture of my toaster's front panel. I put bread in, press the "bagel" button, and a bagel does not come out. I simple get toasted bread. A bagel is totally different. I claim this is an ...
28
votes
9answers
3k views

How can wiring systems be designed to not rely solely on colour?

Yesterday I was faced with the challenge of replacing the stock radio in my vehicle. The stock radio had broken, and it was time for a new one. As it is, building the proper wiring harness is already ...
4
votes
1answer
220 views

Does drawing a dash across the numeral 7 (seven) increase readability?

The RBRC battery recycling logo was recently updated to add a dash to the final digit 7 (seven) in the phone number: Does this increase readability? In what situations, if any, is writing the ...
0
votes
1answer
87 views

Do new pedestrian crossing buttons show an activated state?

I think many people are familiar with the situation of people waiting at the pedestrian crossing and repeatedly pressing (sometimes bashing) the button in the belief that it might somehow speed up the ...
98
votes
20answers
13k views

Toilet flush buttons

This question has been bugging me ever since I've started learning usability. I am talking about the two buttons for the flush : Full and half container. On one hand, the button shape has to ...
50
votes
8answers
10k views

“Do Not Disturb” tags in hotels, how can they be improved?

We've seen keys being replaced by key cards, new LCD TVs, WiFi and LAN in each room but the one thing that doesn't seem to have changed is the "Do Not Disturb" tag that can be hung on the doorknob ...
12
votes
3answers
724 views

Why are double-handle taps still installed in households and public washrooms?

I'm wondering why double-handle faucets are still installed in sinks, bathtubs, etc in newer places of dwelling as well as public washrooms. From reading, they appear to be easier to install, but ...
4
votes
2answers
968 views

Why most of the microphones are placed on the left of headsets / headphones?

I've noticed that the mayority of the well-known brands (Sennheiser, Logitech, Plantronics, Razer, SteelSeries, Audio-Technica, Phillips, etc) tend to make headsets with the microphone on the left, is ...
0
votes
1answer
228 views

Why are push and twist switches more common in lamps than pull switches?

More than once, I've reached under a lampshade to turn on/off a light and had to a) search around hoping I didn't burn myself to find the switch and b) figure out which type of switch the lamp used ...
0
votes
2answers
157 views

Why is the groundfloor G on some lifts, and 1 on others?

The lift at my work for example, groundfloor is '1' and the next floor up is '2' and so on. Whereas other lifts, ground floor is 'G' and the next floor up is '1'. Is there a reason for this ...
27
votes
11answers
4k views

Touchscreen devices: why did the stylus fall out of favor?

It seems to me that devices (such as navigation systems) that use a stylus for touchscreen interaction have become out of of favor. Instead most new devices are intended (i. e. larger buttons etc.) to ...
60
votes
8answers
14k views

Why do traffic lights have three separate light bulbs instead of having one?

Recently, I checked out a concept design for a traffic light with only one light. Do you know the exact reason for having three lamps in a row, instead of one like in this concept?
50
votes
12answers
14k views

Why did early telephones use a rotary dial instead of 10 individual buttons?

I was watching a video of little kids trying to figure out how to use a rotary phone, and it was not immediately clear to any of them how the rotary mechanism was supposed to work. That got me ...
21
votes
3answers
1k views

How do blind people know where to find Braille signs?

On many occasions I have seen signs, with the equivalent in Braille underneath the text. Which is great. But what baffles me is this: how do blind people know where to find the Braille text? I don't ...
25
votes
2answers
3k views

The reasoning behind book dust jacket while there is a hardcover

I am wondering, what is the reason behind adding a dust jacket when a book has a hardcover as well. Initially, the purpose seems to be obvious: to protect the hardcover below it, so that it does not ...
7
votes
1answer
433 views

Why do stove dials rotate from “max to min” instead of “min to max”?

Unlike microwaves, on every stove-top/oven I've used, a dial that controls the stove elements can be turned backward to click to the maximum setting, while the dial that controls the oven temperature, ...
2
votes
3answers
316 views

Is there a standard for the positioning of the elevator control buttons?

I've always wondered why elevator control buttons are found where they are. For example, the following image shows the elevator control buttons positioned on the right side. The way I see it, ...
2
votes
2answers
298 views

public transit bus stop and door buttons

Not directly software related, I wonder about UX design in public transit busses. In Germany, some time ago there was a simple system in public transit busses: If the bus was quite empty, and no one ...
17
votes
5answers
1k views

What's the optimal seat arrangement for a self-driving car?

Take your average mid-sized sedan layout (though this is the view of an SUV, it should illustrate the idea for anyone who has never been in a car before.): You have a driver's seat and a ...
9
votes
5answers
885 views

Volume controls: Why is left down and right up?

I see a lot of people discuss the order of buttons (e.g., should OK be on the left and cancel on the right? or submit button on the left or right?) but something that I wonder: Why do volume ...
9
votes
7answers
5k views

Why do some cars have the fuel door on the passenger's side?

Many cars, such as the BMW M3 pictured below, have their fuel door on the passenger's side of the car. I do not understand the reasoning behind placing the fuel door opposite the driver; placing it ...
2
votes
4answers
352 views

Thermostat UIs make me guess and think too hard

Every digital thermostat panel I've come across - just HORRENDOUS! There's a temperature display. Fine. There's an up and down arrow. First thought, it's to change the temperature. Good. There's the ...
3
votes
2answers
251 views

Why are TV bezels there?

Isn't it true that LCD display units only have ribbon wirings on their bottom (or any one side)? So, this should leave the other sides from covering up their edges, shouldn't it? I have read somewhere ...
-6
votes
1answer
1k views

Why AMBULANCE is written as ECNALUBMA on emergency vehicles?

Why is AMBULANCE sometimes mirror written on emergency vehicles ?
2
votes
1answer
138 views

Do you know any good source for human-robot interactions?

"In most cases, user experience design (UX or UXD or UED) fully encompasses traditional human-computer interaction (HCI) design, and extends it by addressing all aspects of a product or service as ...
3
votes
3answers
170 views

Is it a good idea to set a different signal for performing a u-turn?

For a long time, I wondered why is there not a separate indication to signify a u-turn, e.g. the rear lights would have two segments for flickering lights - one spaced on top of the other - as to ...
5
votes
1answer
326 views

Is there any attempt to standardize a “cancel” action in elevator buttons?

I live in a country where only a few (I've heard of 2 or 3) elevators has the option to toggle back a pressed button in order to cancel the request. Of course, I'm waiting for all elevator buttons ...
2
votes
1answer
122 views

How to make microwaves meals easier to empty [closed]

There seems to be a problem with the common way to deliver a microwave meal. From a flat, compartmentalised tray contents must be tipped or spooned onto a plate in order to be eaten. If there are two ...
0
votes
1answer
170 views

Why do most public buses and trains have a uniform chair height? [closed]

Given that different people have different heights, there seems to be for myself no reason why every chair in a bus has the same height. There could be different rows with different height and in an ...