Design of Human-Computer interface

Field of activity in the 21st century — digital data. For the poet or businessman, for the artist or engineer. Professions in which the main activity is the creation and processing of files, it becomes more every day. We have fun and communicate as also — consuming or creating bytes.

No matter what device we use: a computer or a tablet, a smartphone or a smart speaker — we should get access to our digital data. Quickly and conveniently transfer thoughts and desires to a digital field it’s very important.

We left punch cards in the past and we dream of a neural interface, but it will not be perfect either. The ideal human-digital data interface will be an interface ideally suited for the situation:

To work on a specialized place — is control based on fine motor skills of hands: keyboard, mouse, pen, etc. Because it is the most energy efficient option for the body. The human anatomy nothing will change. From this it follows that such input devices should be "eternal". Optimal ergonomic characteristics have already been found, it remains to develop in the direction of increasing the longevity of devices and sustainability.

For work on an unprepared place — is compactness becomes more important than work speed. The low-travel buttons or their complete physical absence (as on the tablet) is justified. The mouse inferior to the touchpad. In this area is still the opportunity to search for the optimal design. But we should not forget that the more differences there are with input devices for specialized places, the more difficult the transition between situations will be. A human will have to learn different skills.

For public demonstration (training) — a spectacularity in the foreground. The holographic interface from science fiction films will come precisely in this area. Problem in high energy consumption for human body. It’s very tiring to rotate even a virtual object with hands for a long time.

In the case of busy hands and part of the view — a voice interface. At first glance, the voice can always be used, but in fact it loses even in the situation of work in an unprepared place in terms of speed and energy consumption of the body.

Neurointerface — will be used only in special cases. The total concentration is tedious. We acquire the ability to do frequently performed work automatically. In cases of a neural interface, we can not be distracted (the neural interface of the near future is described).

The good news is that we need to use all the interfaces. An important task is to adapt the hardware and software for manage a digital data by using any interface. Everything and should always be available. I have written this article using a computer in the office, a laptop in bed and a smartphone on the road now. On the morning runing, I will say to my CAD system — "Add to the optimum strength of the wall side a half-millimeter." Someday.

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