Questions tagged [physical]

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

Filter by
Sorted by
Tagged with
1 vote
1 answer
392 views

How does the projection-angle of road arrows change drivers' expectations of the appropriate speed in a curve?

Have any studies been conducted to decide the 'print angle' (anamorphic projection) of road signage? Are there any other expectations involved?
New Alexandria's user avatar
9 votes
7 answers
18k views

Why are soft drink bottles round, and milk cartons square?

EDIT: The coke bottle I am referring to in the question is 1.25L. Why are soft drink bottles round, but milk cartons square? The milk carton is more utilitarian, being more space efficient, and ...
Rich's user avatar
  • 3,532
5 votes
2 answers
7k views

What does "form factor" mean when referring to software?

I'm asking about when the term is used in context of software UI. I see Wikipedia articles related to hardware when Googling the term, but not sure what people mean when they refer to it in context ...
Rohan's user avatar
  • 755
15 votes
5 answers
18k views

How to differentiate rechargeable from non-rechargeable batteries?

(For example) AA batteries are available as rechargeable and non-rechargeable variants. As they are of identical construction, you have to read the tiny text on the battery to find out if they are ...
unor's user avatar
  • 3,946
30 votes
11 answers
3k views

How to design a great unboxing experience?

I'm looking for examples or case studies for designing a manual for a physical as well as a digital product. We have an app which needs to be controlled by a physical checklist. Now I'm starting to ...
FrankL's user avatar
  • 4,766
17 votes
3 answers
4k views

Why is the caps lock key often so big on a keyboard?

It seems that the caps lock key is not a frequently used key on a computer keyboard yet on all the keyboards I have used, it is afforded a significant amount of interface real estate, often as much as ...
Toni Leigh's user avatar
  • 7,818
26 votes
11 answers
24k views

How to stop car lights being left on

The lights in cars can be a very frustrating experience for users. Most of us who drive have left our lights on and quite a few of us will have come to our cars to find them completely unusable for ...
Toni Leigh's user avatar
  • 7,818
28 votes
12 answers
1k views

How to stop people becoming marooned on a causeway

This question is based on a real world scenario… There is a causeway, roughly 1/4 of a mile long, over which the tide rapidly rises twice a day, rendering the tourist hot spot at the wrong end of it ...
Toni Leigh's user avatar
  • 7,818
37 votes
2 answers
10k views

Why do coins in some countries not display their denomination? [closed]

Coins have two levels of interfaces: a physical interface (their size, shape and weight) -- usable by vending machines and to certain extent by people with long-established habits of using these coins;...
Pasha's user avatar
  • 2,119
86 votes
9 answers
17k views

Why is the "Record" icon always round and usually red?

I've been wondering why the symbol for 'record' is universally (AFAIK - has anyone seen exceptions?) a circle and usually red. Cameras, VCRs, voice recorders, smartphones, web apps... I've seen cases ...
Jessica Yang's user avatar
  • 1,985
9 votes
6 answers
5k views

Childproof washing machine

My little boy (11 months old) has just discovered how the buttons and dials of the washing machine work. This is inconvenient, because the machine does not react well to random button mashing while it'...
Sebastian Negraszus's user avatar
6 votes
2 answers
418 views

Is it better to mirror a real-world system for specialized users?

I'm designing a web interface for a control-center kind of thing that's extremely information-dense because it controls a fairly complex system. To an outsider, it's kind of been like trying to make ...
Jessica Yang's user avatar
  • 1,985
49 votes
7 answers
12k views

Why do ATMs need to take your card in?

In every ATM I've seen, the card is "swallowed" by the machine, and returned at one point or another (or not, if you type the wrong PIN 3 times or whatever). This leads to people forgetting the card, ...
Jonathan's user avatar
  • 737
28 votes
4 answers
2k views

Keyboard number row ordering

On a typical keyboard, why is the 0 in the number row next to the 9 instead of the 1? This seems like a question which should have a straight-forward answer, but the only one I could find is this ...
Bobson's user avatar
  • 610
5 votes
5 answers
627 views

How can the mode of a car's transmission be made more clear?

In a car, if you press the accelerator it can do one of three things: make the car go forward. make the car go backward. not move the car at all. The result depends on what gear the car is in, but ...
Graham Herrli's user avatar
33 votes
7 answers
3k views

A better condom user experience

The lack of use of condoms is one of the most critical issues in global health today. However the problems with condoms have little to do with how effective they are when used. Instead the problems ...
JohnGB's user avatar
  • 68.3k
14 votes
3 answers
3k views

Elevator dispatch algorithm choice

We have a single elevator servicing an 8 level residential building. What might be the optimal elevator positioning algorithm to optimize user experience (primarily, wait time)? I was thinking ...
curious_cat's user avatar
25 votes
14 answers
27k views

Why do physical keyboards still have built-in numpads?

Normally I use a wireless keyboard without a number pad and a mouse right next to it. Having started a new job, I was finding my right arm somewhat more sore. This was confusing until I realized: ...
enderland's user avatar
  • 712
139 votes
19 answers
151k views

Which way should be "on" for a switch?

Most of us use switches every day in various forms. And although there are sometimes general norms in countries as to which direction is "on", there is variation between countries. So when ...
JohnGB's user avatar
  • 68.3k
2 votes
3 answers
472 views

Is this a Mapping or Visibility issue?

I am thinking about whether my faucet has an issue with mapping, or visibility. I searched for the shower button for 5 minutes! Can you find the mechanism to turn on the shower (rather than have ...
flatronka's user avatar
  • 139
21 votes
12 answers
2k views

Why are child-resistant packages sometimes easier to open by kids than adults?

Based on discussions with friends and colleagues there seem to be difficulties opening child-resistant packages in general. There are even stories of parents letting their kids (supervised) open child ...
Benny Skogberg's user avatar
1 vote
2 answers
1k views

Designing UX for an In Vehicle Infotainment system

I am working on an In Vehicle Infotainment System. This is one particular use case I am finding difficult to think in terms of UX : There is an IVI system attached in car which can take commands ...
Amit Tomar's user avatar
1 vote
2 answers
256 views

Newspaper design

Why hasn't the traditional newspaper design changed much in years? Wouldn't they be easier to hold and read if newspapers were smaller and more book-like? I am guessing that the newspapers are ...
Dhara's user avatar
  • 113
15 votes
5 answers
2k views

Why are sinks always rounded?

I've noticed a trend recently that some sinks have a flat base, but they seem to be few and far between. Are there any reasons related to UX for why sinks have traditionally always been round?
Rich's user avatar
  • 3,532
3 votes
3 answers
3k views

Where are the most optimal places to put laptop speakers?

I got one of these computers for Christmas. Overall, I thought it was a pretty average laptop.... ...except for one thing, the speakers. The speakers are placed at the lower left and right hand ...
yuritsuki's user avatar
  • 4,026
137 votes
15 answers
16k views

Who needs an external on/off Wi-Fi button?

It puzzles me that there are Laptops which are shipped with external physical Wi-Fi buttons. I see no real use of it, but it might have a historical explanation?! The only time one notice the external ...
Benny Skogberg's user avatar
1 vote
1 answer
527 views

Headlight and Indicators on the handlebar OR on the front panel of the Scooter that you drive?

There are 3 designs existing now: Headlight and indicator lights both on the handle. Headlight on the handle but indicator lights on the front panel. Headlight and indicator lights both on the front ...
Justin Samuel's user avatar
35 votes
8 answers
30k views

Why are AC adapters (wall warts) designed to block adjacent AC outlets?

The AC adapters for a lot of equipment seem to be specifically designed to block the AC outlets around it (this is in the US). Is this a safety feature to minimize the power to that outlet or just ...
John Smith's user avatar
4 votes
4 answers
598 views

Controls on moving controls?

It hit me today when driving home from work turning right in a highly busy crossing. I wanted to lower the music volume but couldn’t find the control without looking. On previous cars I’ve owned, the ...
Benny Skogberg's user avatar
106 votes
9 answers
23k views

What reason could Nintendo have had for putting the A and B buttons in a non-alphabetical order?

When Nintendo brought out its first game system, the NES, it had a controller with four buttons: Select Start A B However, somewhere, a designer, in their infinite wisdom, decided that the A and B ...
Urbycoz's user avatar
  • 3,014
47 votes
9 answers
28k views

Why don't sandwich toasters have an on/off switch?

The absolute majority of electrical appliances have an On/Off switch. However, the absolute majority of sandwich toasters do not - you just plug them into the socket and unplug them when you're done. ...
Vitaly Mijiritsky's user avatar
4 votes
2 answers
152 views

Does having WiFi spots and similar equipment visible improve user experience?

Suppose I'm planning an office or a restaurant or a city. I need to plan where I have wireless communication spots installed. Those may be WiFi spots or cell towers or DECT phone spots. I've planned ...
sharptooth's user avatar
  • 5,847
279 votes
24 answers
44k views

How can users be prevented from pouring water into the bean compartment of a coffee machine?

Typical coffee machines have two user-accessible compartments: one for water and one for coffee beans. Pouring water into the bean compartment kills most machines, the repairs cost a fortune. Now ...
sharptooth's user avatar
  • 5,847
9 votes
4 answers
343 views

Is the middle power option 50% or 60%?

A friend of mine has a blender with 6 control selections: One off position, and five power settings in order of less to more power. Example below: A discussion has erupted over whether or not the ...
scuzzy-delta's user avatar
9 votes
4 answers
8k views

Why did Google opt-out of hardware buttons for Nexus devices?

Are there any real UX reasons to remove hardware buttons from Android Nexus devices? In above Nexus 4 the bottom part is wasted space - won't adding buttons like menu/back/home make it more useful? ...
Riyaz Mohammed Ibrahim's user avatar
16 votes
11 answers
14k views

"Tool" or "target" on vacuum cleaner pedal?

I always get confused by the icons on my vacuum cleaner pedal. Take a look at the upper icon. Is that icon representing 1) The tool. I.e. "Your now using the pedal without the brush" (ergo, on a ...
Jørn E. Angeltveit's user avatar
7 votes
2 answers
278 views

Interesting visualizations for a personnel in-out control

I have a database with the data of all the company personnel in and out through several facilities (All people must put their fingerprint in the scanner to open doors) I'm looking for interesting way ...
Eduardo Molteni's user avatar
11 votes
5 answers
4k views

How useful is this coffee cup "hot contents" warning?

I came across this on Dan Pink's blog. This caption on a coffee cup is supposed to serve as a warning sign to caution people that the coffee is hot and care must be taken to avoid burns. The problem ...
sharptooth's user avatar
  • 5,847
8 votes
4 answers
2k views

Keyboard shortcuts on non-QWERTY keyboard layouts

I've been using the Dvorak keyboard layout for a few years, and something that's always bothered me is keyboard shortcuts. On a QWERTY keyboard copy and paste are conveniently positioned as Ctrl+C and ...
spencercw's user avatar
  • 183
4 votes
2 answers
218 views

Conditioning users

Playing around with my heat in my new Volkswagen GTI, I noticed when you press the heated seats button once, it starts you off with maximum greatness (3 / 3) press it again it goes down ( 2 / 3) (1 / ...
Kyle Mirro's user avatar
10 votes
1 answer
3k views

Dice and Domino Dot Convention

I noticed dice and dominos both use the same convention for dot placement. Is there a reason for this? Is there any research on how to layout dots so that they are most readable?
Tyler Langan's user avatar
  • 1,260
15 votes
4 answers
1k views

What’s the use of vertical guide lines when filling out forms using handwriting?

I’m quite fast making shopping lists via handwriting, and I think I’m not alone using small notes instead of trying to make lists in my phone. But when I come to the store and they give me a discount ...
Benny Skogberg's user avatar
37 votes
8 answers
44k views

Why do people mount TVs so high on the wall in their homes? [closed]

When I was a kid, movie theatres tended to have the screens fairly high and the seats were all at or near ground level (very gentle slope), meaning we all looked up at the screen. Over time people ...
Monica Cellio's user avatar
-2 votes
2 answers
145 views

How to create effective experiences/emotion to change punctured tyres for a car? [closed]

Keeping climate, location and gender into consideration, the mechanism of changing punctured tyres have not seen greater changes? Still it takes energy,effort and time, moreover awful experience ...
inkmarble's user avatar
  • 1,682
9 votes
6 answers
3k views

Why is a manual transmission so complicated? [closed]

While driving I noticed that the gearbox is complicated for a first time users. I find it hard to tell which gear my car is in while driving. Is there a reason for this design, and is there a better ...
UXbychoice's user avatar
  • 1,830
56 votes
14 answers
9k views

Why do Microwave oven UIs fail?

I’m not a professional chef, but I do know my way around the kitchen and its machines. The dishwasher, the fridge, the freezer, the stove and the oven all works as expected in many homes. Could you ...
Benny Skogberg's user avatar
9 votes
4 answers
381 views

How to handle settings which can be both set mechanically and via a computer?

I develop a device, which can be configured via a handful of binary settings. These can be set with mechanical switches (of course, internally they are evaluated electronically) However, optionally, ...
vsz's user avatar
  • 2,876
2 votes
2 answers
741 views

Wireframing hardware dashboards/control panels - best practice

For an upcoming customer project, I will be dealing with control center UI, including visualization on-screen software, but also hardware control panels and dashboards. The project emphasizes on ...
J_rgen's user avatar
  • 3,686
10 votes
4 answers
4k views

Traffic light, no more shapes?

I remember when I was a kid. Each traffic lights had different shapes. Red = Square, Yellow = Triangle, Green = Circle. Now all the traffic lights that I see are round. Is there a reason why they don'...
the_lotus's user avatar
  • 433
29 votes
7 answers
5k views

What are the usability benefits of using multiple monitors?

I've read a lot of articles suggesting that work patterns are more effective when using more than one monitor. But why is that the case, from an HCI perspective? And as follow-up questions, are there ...
kastark's user avatar
  • 6,468