Another example is robot design which is made as small as possible with keeping in mind that it should perform as good as a human.
Now the question is, where is the technology era is heading? While everything is made small at micro or nano level including its weight as small as possible in order to assist human beings, what is the ultimate goal? Is it to explore this universe or to see the inner space within our self? No more questions, it requires only answers? I stop at this point.