>
> Just like computers were made of vacuum tubes and people thought that was
> the future- more and more of them, in bigger and bigger rooms. Then the
> transistor was invented and re-shaped everything. The first computer chip
> had a few transistors, but now there's billions in there (up to 2 billion
> now).
>
Just like the physics of 1954 (or so) in which it could be shown w/o
any doubt that a chemical rocket could never get to the moon.
Then Arthur Clarke suggested a multistage design ... .
Burgy
To unsubscribe, send a message to majordomo@calvin.edu with
"unsubscribe asa" (no quotes) as the body of the message.
Received on Tue Sep 16 11:53:04 2008
This archive was generated by hypermail 2.1.8 : Tue Sep 16 2008 - 11:53:04 EDT