Every indexed document

as noted. But present-day engineering has nothing comparable—in

have scored some spectacular successes in game playing and

which stem from their connectivity and interactive

and there are clear paths forward. And while the powers of human eyes

but let me offer some informed opinions. The challenges

depending on their effectiveness in use. Thus

as the individual interacts with his or her

the complex pattern of these connections is very

human brains have some big advantages over their artificial competitors.

and the human immune system actively resists implants.

we can feed the output from an appropriate sensor directly

if we want a computer to “see” ultraviolet or infrared or

and artificial processing units are approaching that scale. Smallness

” at which we can distinguish that movies are

which limits their spacing to a few 10s per second. It is probably

but one fundamental limitation is latency of action

can be much faster than the processes of

to find new particles; or gathering clues from fuzzy X-ray

whose familiarity should not blind us to their depth. Today

and watches are examples of increasingly sophisticated augmentations that