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

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0
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0answers
34 views

Why ribbon is used as symbol for most of disease awareness? [on hold]

Why ribbon is used as symbol for most of disease awareness? I am getting confused. So why ribbon?
-1
votes
1answer
58 views

Possible use of blind person's 5x5x3 cm square box? [on hold]

Recently at the supermarket I saw a blind person with a stick on the right-hand kneel down. The right hand has a small black box and this was being pointed at a supermarket item. I would like to ...
6
votes
1answer
131 views

Putting names on international business cards in a helpful way

With electronic transmission of contact infos (h/x/j/vCard, CardDAV, EAS etc.) it should be possible to store unambiguously the various parts of a person’s name and title as well as their gender and ...
8
votes
3answers
312 views

The Right way to Write

A slightly belated festive question! Why do we write on the right hand side of cards (and books)? In English and many other languages, we typically begin writing in the top left and move rightwards ...
4
votes
1answer
43 views

Braille standards for shops

Are there any braille standards for shops? For instance, if a blind person enters a supermarket, how do they find a guide that walks them to where the gloves are, how must the gloves be positioned ...
4
votes
1answer
153 views

How do blind people cook?

How can, could, and how do currently blind people cook without burning themselves? I mean, what kind of user interface is good for them? One thing I can think of, is they should have a table that ...
23
votes
5answers
3k views

Color choice for maximum legibility of text on glass

In our office we have transparent glass doors and we want to put text stickers on them. For example, name of the person or room function. The question is what color should be stickers to provide ...
3
votes
3answers
87 views

Why do folding stepladders have “not-a-step” steps?

Stepladders are typically labelled with a warning sticker that says: ⚠️ Danger: Do not stand on top step or, sometimes on the second-from-the-top step: ⚠️ Do not stand on or above this rung ...
2
votes
4answers
156 views

Why don't ATMs give you cash and card together

This is a follow-up of Why don't ATMs give you cash before your card? As shown in the linked question, whether an ATM give you cash first or card first will make users tend to forget the other. ...
13
votes
7answers
3k views

Why don't toilet doors also latch and change their status when closed? [closed]

On aeroplanes when the passenger closes the toilet door it keeps the door closed and changes the status to occupied in a separate (or sometimes the same) action as closing the door. I am wondering if ...
9
votes
3answers
2k views

Justification of petrol station design [closed]

Would appreciate help on this issue. We plan to reconstruct our old petrol station. At present, it has one single row of pumps, so all cars have to move in queue or bypass each other. New design will ...
2
votes
3answers
242 views

Include UI Play/Pause buttons even though remote contains same functionality?

I'm working on a tvOS application that plays videos. On the bottom of the screen are a set of buttons I've created; Previous, Next, Pause, Play. Coming from an iOS background I'm so used to creating ...
3
votes
4answers
370 views

Steering Wheel: A Better Alternative? [closed]

In my opinion steering wheels for automobiles are a bad UX. They seem to be a control that are here for legacy reasons only and were not thought out in the context of new age technology. What would be ...
3
votes
1answer
389 views

What color smartphone provides the best viewing experience?

This question is not as subjective as it sounds. Some background... Smartphones are commonly sold in black, white, silver, gold, and occasionally other colors. This is slightely dated (2013), but ...
4
votes
3answers
331 views

Why do some elevators have a single call button and others two?

It seems like it would be optimal to have two call buttons (up/down) on an elevator instead of one because I could hop on an elevator headed in the same direction that I want to go versus having to ...
68
votes
10answers
16k views

Why is sugar not in a shaker?

At most restaurants that I've seen, the middle of the table is set up with: One salt shaker One pepper shaker A small dish of a few sugar packets Why isn't sugar put in a shaker like salt and ...
1
vote
1answer
125 views

How to avoid people from using the coffee spoon into the sugar jar? [closed]

Do you have any creative ideas how to avoid people using the coffee spoon into the sugar jar?
10
votes
1answer
261 views

Why are stairs not replaced by ramps?

If ramps allow accessibility to a larger number of people as opposed to stairs, then why are stairs more common than ramps in public buildings (or buildings in general)? Comparing a reasonable angle ...
2
votes
4answers
132 views

Tracking what users are drawing on a piece of paper in real time

As part of our research in an HCI project, we need to track what users are drawing on pieces of paper in real time. Due to some requirements, we cannot replace the paper with anything digital. What we ...
122
votes
9answers
15k views

What's the purpose of “This page is intentionally left blank” we see in books?

What's the purpose of "This page is intentionally left blank" we see in books? Why not just leave the page blank and write nothing on it?
4
votes
4answers
128 views

Alternative to power-hungry screen displays

For devices that run on a battery, the screen is the component that drains the the battery the most. So I began to wonder if there is an alternative. Has someone ever tried another type of interface ...
9
votes
5answers
340 views

What perceptual mechanism governs this road indicator design?

In this roundabout design, arrows(?) point against the flow of traffic (traffic flows along on the right side of the road). You can particularly see it in the second image. They indicate that you ...
3
votes
5answers
387 views

ALL CAPS fonts for industrial use

I'm on a plane and noticed the use of all caps on the flight crew phone: Generally I found the phone very well designed: it has rounded colors, decent contrast, is unobtrusive for passengers, and ...
2
votes
3answers
190 views

Laptop usability design flaw from a big corporation

A few months ago I wanted a new laptop, so I ordered it from a big brand considering its solid features (like core-i3, 4 gigs of RAM, etc.). The laptop is perfect and runs well, but it has a small but ...
5
votes
2answers
1k views

How long should automatic doors delay closing?

Automatic doors have a sensor that detect whether people are present, and when there are none, and after a delay, the doors close. How long should that closing delay be? Does it depend on factors ...
17
votes
6answers
3k views

Why do stairs have overhangs?

Most stairs (at least here in the US) have an overhang or 'nosing' where the edge of the stair protrudes over the riser: I've heard different reasons for why the nosing exists, but I've not been ...
40
votes
4answers
4k views

Why are messages on the road printed in reverse?

After reading this question, something occurred to me that I've always wondered - but never thought to ask. Why are road messages/signs printed in reverse? (source https://xkcd.com/781/) Anytime ...
69
votes
12answers
9k views

Do signs printed on the road offer a significant advantage for the user over signs on a post?

I was driving earlier today and I came across a stretch of road that didn't have signs for the speed limit but instead had it written on the road like so: Image source It got me thinking that it ...
0
votes
1answer
121 views

Is there a human advantage to painting heavy equipment (aka “baggers”) bright yellow?

Is it just branding, decoration, or is there an actual human-centered reason for it?
3
votes
3answers
326 views

Why do we say that door knobs afford twisting?

So many basic discussions of affordances begin with the example of door knobs affording twisting. It seems to be the second example used in Norman's 1988 definition, even. However a symmetric round ...
6
votes
1answer
172 views

Using warnings to reduce printer waste

I've seen where businesses try to limit printing usage by limiting users from printing more than 100 or so pages per month with an application like this: download bmml source – Wireframes ...
64
votes
9answers
7k views

How to convey: “don't move until the task is done!”

Our local public transportation system uses electronic cards (something like RFID technology) to validate rides. Users enter the vehicle and place their contactless card against a reader, and a beep ...
16
votes
16answers
3k views

How can I get people not to put trash in recycling bins?

In my office space we have a main trash can and "recycling" can in the break room. They are simply two bins, with the same color, that are hidden in a cabinet. Outside of the cabinet are two ...
4
votes
3answers
233 views

UX to consider on a business card design

On a UX stance, what are the best practices to consider when designing a business card? I've done some research in order to find some that I might not have considered and I have to admit that I've ...
1
vote
5answers
712 views

Why to loosen always by rotating it counterclockwise and to tighten by rotating it clockwise?

For example: Screw / bolt Bottle design Why this intuition works for most people? Does it have anything to do with the right-hand rule?
92
votes
12answers
21k views

Why do showers have “hot” and “cold” knobs rather than “temperature” and “quantity” knobs?

I do not understand the advantage of the popular "hot" and "cold" controls in showers, as opposed to "temperature" and "quantity" controls. Is it simply because the latter option is harder to ...
2
votes
2answers
298 views

Why do revolving doors rotate counterclockwise?

In all my life I have never seen a clockwise revolving door. How did counterclockwise become standard?
1
vote
2answers
317 views

Why are elevator doors always too small? [closed]

I noticed that elevator doors are always narrower than the compartment, so people get jammed up trying to exit. Why don't they just design elevator doors so they are wide enough for everyone to exit ...
1
vote
1answer
350 views

What is the purpose of jackets having small zipperless back pockets just below the neck?

I was a little bit surprised to find that my Bench-branded 100% polyester jacket had a little zipperless back pocket just below the neck, especially since placing something like keys there would make ...
5
votes
2answers
223 views

Are dial format speedometers more effective than numeric speedometers?

I recently criticized a sketch of a automobile instrument cluster concept that indicated speed with a bar gauge and a numeric readout. I and many others suggested that a dial speedometer was easier to ...
34
votes
12answers
7k views

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

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 ...
13
votes
4answers
198 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 ...
10
votes
3answers
579 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, ...
27
votes
7answers
7k 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
95 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 ...
14
votes
2answers
720 views

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

I often hear complaints 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 ...
1
vote
4answers
358 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
254 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 ...
139
votes
12answers
23k 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
votes
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 ...