TV Typewriters: A Tale of Hackish Ingenuity
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% got a light?
No match.
% man: Why did you get a divorce?
man:: Too many arguments.
% make love
Make: Don't know how to make love. Stop.
% sleep with me
bad character
-- Fun with UNIX, Charlie Gibbs
Here is a true story about a glass tty: One day an MIT hacker
was in a motorcycle accident and broke his leg. He had to stay
in the hospital quite a while, and got restless because he couldn't
{hack}. Two of his friends therefore took a terminal and a modem for
it to the hospital, so that he could use the computer by telephone
from his hospital bed.
Now this happened some years before the spread of home
computers, and computer terminals were not a familiar sight to the
average person. When the two friends got to the hospital, a guard
stopped them and asked what they were carrying. They explained that
they wanted to take a computer terminal to their friend who was
a patient.
The guard got out his list of things that patients were
permitted to have in their rooms: TV, radio, electric razor,
typewriter, tape player, ... no computer terminals. Computer
terminals weren't on the list, so the guard wouldn't let it in.
Rules are rules, you know. (This guard was clearly a droid.)
Fair enough, said the two friends, and they left again. They
were frustrated, of course, because they knew that the terminal was
as harmless as a TV or anything else on the list... which gave them
an idea.
The next day they returned, and the same thing happened: a guard
stopped them and asked what they were carrying. They said: "This is
a TV typewriter!" The guard was skeptical, so they plugged it in and
demonstrated it. "See? You just type on the keyboard and what you
type shows up on the TV screen." Now the guard didn't stop to think
about how utterly useless a typewriter would be that didn't produce
any paper copies of what you typed; but this was clearly a TV
typewriter, no doubt about it. So he checked his list: "A TV is all
right, a typewriter is all right ... okay, take it on in!"
[Historical note: Many years ago, "Popular Electronics"
published solder-it-yourself plans for a TV typewriter. Despite the
essential uselessness of the device, it was an enormously popular
project. Steve Ciarcia, the man behind "Byte" magazine's "Circuit
Cellar" feature, resurrected this ghost in one of his books of the
early 1980s. He ascribed its popularity (no doubt correctly) to the
feeling of power the builder could achieve by being able to decide
himself what would be shown on the TV. --ESR]
[Antihistorical note: On September 23rd, 1992, the L.A. Times
ran the following bit of filler:
Solomon Waters of Altadena, a 6-year-old first-grader, came home
from his first day of school and excitedly told his mother how he
had written on "a machine that looks like a computer -- but without
the TV screen." She asked him if it could have been a "typewriter."
"Yeah! Yeah!" he said. "That's what it was called."
I have since investigated this matter and determined that many
of today's teenagers have never seen a slide rule, either.... --
ESR]
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