1:28:03
I guess we all know
this isn't gonna fix things.
1:28:06
At least, not for long.
1:28:09
We know you did
what you could for us.
1:28:12
- Jake.
- Thanks.
1:28:15
- Leon.
- Yes, John?
1:28:19
Don't you have some work to do?
1:28:35
It's packed and on its way.
Be at the bus station, 8:00 a.m.
1:28:38
- How'd you--
- Your father.
1:28:41
- Itwas your father.
- Give 'em hell, Homer!
1:28:48
Good luck, sweetie.
1:28:50
Bye.
1:29:05
Thanks, Dad.
1:29:19
When the rocket propellant burns...
1:29:21
it produces a river of gas
which flows through...
1:29:24
the convergent section
of the nozzle.
1:29:26
If the river continues
through the nozzle...
1:29:28
but through the throat
at less than sonic speed--
1:29:30
that is to say,
less than the speed of sound--
1:29:32
it becomes compacted
in the divergent section...
1:29:36
bound in turmoil--
1:29:37
Lyle Wells and Jean Cooper...
1:29:39
Schrader High School,
McMinnville, Oregon.