Ant-sized radio/controller. |
Popular science fiction often pictures a world that is
radically different. Domed cities, flying cars, undersea communities, and
colonies on the moon. All that may happen, but don’t hold your breath.
In the meantime, a much more prosaic but enormous revolution
has occurred.
Take a look at 30-year-old pictures of your home town. And
look again today. You will find many more similarities than differences. The
same roads, buildings, schools, and hospitals for the most part. There are
differences, no doubt, but the sameness is palpable.
But peel back the covers and take a closer look. Today, the
people in those buildings carry personal supercomputers capable of many
billions of operations per second. What is possible with that unimaginable
power which, just a few decades ago, would have required a room-sized behemoth?
These magical devices are capable of assuming many roles.
Camera, video recorder, music player, high-res movie viewer, GPS navigation
device (land, sea, and air), detailed weather and radar station, foreign
language tutor, voice directed personal assistant, capable game
console, and much, much more. That this tiny device can speak to you and
understand your spoken commands is alone beyond the fond desires of computer
scientists of the last century.
But all this is nothing compared to the most important
function: personal communicator. This tiny device which slips into a pocket can
be used to talk to any one of billions of other people on earth. Or send and
receive emails and text messages instantly. This interconnectedness, which
drives social media, overcomes tyrants, and ties far-flung families together,
is the most revolutionary change in communication in human history.
Over many millennia, since humans first developed the
ability to speak, the speaker and the listener had to be in close proximity in
order to communicate. Hunters talked and planned tactics. Leaders spoke to
assembled citizens. Romans were entertained in the Coliseum. But all this
required physical proximity in real time. If you arrived late, you didn’t hear
the message.
The next wave arrived with the invention of writing, which
was slow and expensive, but much improved with the invention of the printing
press. Once information could be recorded either by writing or printing, the
requirement of adjacency was removed. A writer could record her thoughts in
London and send them via schooner and coach to Paris, where the words would be
read and appreciated. So while proximity was no longer a requirement, the time for
transmission was often days or weeks or months.
It wasn’t until the harnessing of electricity that we began
to make real progress. Initially the telegraph and then the telephone allowed
us to send information across the continent, first in minutes but soon in
seconds.The time dimension of communication was being greatly reduced. But
there was still a nagging proximity requirement. If you wanted to send a
message, you must go to a Western Union telegraph agent, or find a telephone to
use. Telephones were, at first, relatively rare. Perhaps there was one at the
local druggist. Even when more commonplace in the home, how did you make a call
when stuck on the road with a flat tire?
Finally, a huge event. The cellphone, based on wireless
radio technology, effected a tectonic shift in personal communication.
Suddenly, you could call anyone from anywhere. The barriers of time and space
were both overcome. Add supercomputer capabilities and now we really had
something. Star Trek stuff for real.
So what’s next?
The Internet of Things. Your thermostat, refrigerator,
stove, car keys, toaster, even light bulbs will all come online. Groceries
ordered automatically. Nutritional meals cooked while you’re commuting home.
The car driving itself, you sleeping or reading on the way. This may seem
farfetched, but it is not. Stanford University has invented a tiny wireless radio
controller the size of an ant. These (or similar) devices, each costing pennies, will allow
millions of objects in our homes and businesses to form intelligent networks. Not
just us, but all our stuff will be able to communicate across vast distances in
real time. The possibilities are mind boggling.
So while the buildings on Main Street will look much the
same, what’s going on inside is purely magical. Science fiction is what happens
when we’re not paying attention.
And it’s happening fast.