Of recent I’ve come to the conclusion that the one defining characteristic that is so fulfilling about using appropriately designed tools is that they become an extension of the user themselves, be it their body, their hands, or indeed their mind. Apples more recent device is a case in point, the iPad reduces the user interface to the extent that one feels as if they are actually ‘holding’ a webpage or application – and to all extents and purposes they are. However if one was to take this notion to the next logical level surely we would find that for many circumstances the ultimate interface would be no interface at all, and in turn the minimal physical interaction necessary, excepting neural and thought based interfaces, would be a simple and discrete gesture.
However many of the gestural interface implementations we have seen recently are concerned with how we as users might interact with a digital reality or unreality as the case may be. Projects such as Microsoft’s Natal demonstrate how a Natural User Interface (NUI) may be used to enhance our gaming environments by using our own bodies and actions as the proverbial input device in order to control a corresponding digital self or avatar.
In a recent re-reading of Don Normans excellent book the ‘Design of Everyday Things’ I was prompted to consider the real-world scenarios whereby a gesture based system would be advantageous in interacting with physical objects.
What implications would such changes have on our lives?
Many of the interactions which strike me initially would be scenarios where one is somewhat reticent to touch a shared surface, however by affording the modification of such behaviors would we be facilitating the creation of a generation physically averse to many everyday interactions which we as humans currently take for granted?
As our interactions with objects head in a direction visibly reminiscent of something approaching telekinesis how will this affect the way in which our everyday artifacts function and in what ways will designers harness gestures to influence behavior.
Which interactions or physical devices do we encounter on a daily basis which might benefit from such an interface?
An obvious choice surely? Maybe not. Many public facing doors in buildings are already using motion sensors to detect a person as they approach. Would they benefit by requiring a directive gesture to open? Probably not, although many of us would be familiar with two scenarios in which such solutions fall short.
a) The first we’ll call ‘Playing Chicken’ – When one walks towards an ‘Automatic Door’ with the intention of entering the building, yet the doors fail to open with sufficient time, forcing the individual to either break stride or stop, face the glass and wait patiently for the doors to acknowledge their presence.
b) ‘Getting Smart’ – when the flow of people using an automatic door is out of step with the sensors timing. Causing awkward uncertainty and nervous approaches by those who wish to enter, daunted by the prospect of getting sandwiched between the unforgiving glass panes.
The name of which is my tribute to an old spy TV show Get Smart in which the character confidently faced the prospect of simliar door malfunction.
However if a simple hand gesture were required would people feel socially awkward ‘waving’ to an inanimate object, or would it only be a matter of getting used to this slight change in behavior. For instance only 15 years ago a person may have avoided the prospect of having a full-blown conversation in a public space over a mobile device, yet nowadays many feel obliged to do just that not only by necessity but mostly by choice. Social conventions regularly accommodate technological advances with a unforeseen pace.
Use of a gestural command to lift and close a toilet seat would be of great benefit hygienically speaking, particularly in public spaces where one would be much less inclined to touch a toilet lid. When I researched this idea a little further it transpires that some other designers have had ideas along similar lines.
TV & Audio Systems
Use of a hand wave to change channels would initially seem useful, yet imagine a scenario where there are several people watching TV who might have differing opinions on what exactly to watch. Moving a simple single-user interface such as a remote control into a to multi-user scenario may unnecessarily complicate an otherwise straight-forward situation.
Imagine your next home audio system being able to recognise your gestures such as snapping your fingers to switch it on, a wave of your right hand to play and raising ones hand to raise the volume correspondingly. Would we want for such a thing or a would it be more a hindrance than a help.
I also remember thinking that taps would also benefit from having a non-touch interface. Again we are already familiar with motion activated taps but what about one where we facilitate greater control, allowing a user to turn it on/off, modify the flow and adjust the hot/cold streams – this could be achieved through use of gestures. Until this morning I had forgotten my thoughts on such interactions, that is until I received a message from Jasper Dekker, a product designer with Flankworks in The Netherlands who for his graduation project designed a tap which is controlled via spatial interaction.
You can view a demo of this tap in action below. There is also a more polished conceptual demonstration available here but the initial prototype spoke to me more, for some reason.
Neat huh? Seeing this prototype in action, it again struck me that the potential for gestural interfaces is vast and, if you excuse the pun – untapped, and we have only seen the beginnings of the impact such a subtle, virtually invisible technology can and will have on our daily lives.
As children we watched movies such as Star Wars where Jedi characters used their innate ability to manipulate objects at will, such behavior seemed magical at the time. However as man-machine interfaces continue to advance and their applications broaden, our interactions with the world and the objects within will accordingly becomes less intrusive and more natural.
Where else can you see gestural interfaces adding value in our day to day life?
Filed under Industrial Design Innovation Interaction Design User Experience User Interface Design
Tagged with Anthropology Concept design gesture Industrial Design Interaction Design Interface Natural physical Product Design User Experience
On Wednesday, July 28th, 2010 at 1:01 am 1 Comment »