29 Aug
2023
29 Aug
'23
5:11 p.m.
On Aug 29, 2023, at 8:03 PM, Sellam Abraham via cctalk
<cctalk(a)classiccmp.org> wrote:
On Tue, Aug 29, 2023, 7:02 AM Gavin Scott via cctalk <cctalk(a)classiccmp.org>
wrote:
That reminds me of a story I heard at a course in the 1980s, from E.W. Dijkstra. It
sounded very implausible except for the fact that he was the source...
The story was that the Apollo flight software was validated against simulators, as one
might expect. But some problems were encountered during testing that were quite baffling,
until someone realized that the sign of gravity was wrong in one of those simulators.
Hm.
paul
On Tue, Aug 29, 2023 at 6:22 AM Peter Coghlan via
cctalk
<cctalk(a)classiccmp.org> wrote:
The original moon landing utilized Ballistically Unrealistic Lunar Landing
Simulation Hallucination Initiation Technology. You reckon someone in Moscow is wishing they
heard about this trick a
week ago?
They instead chose the ever-popular Simplified Planetary Landing
Approach Trajectory.