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Apollo 11

Was on a Sting concert a month ago. He played this song of course look closely, both the rocket and GA



The elephant is the circulation
ENVA ENOP ENMO, Norway

I bought a National Geographic mag issue covering Apollo 11. A nice basic-level writeup, but it has this little gem

Administrator
Shoreham EGKA, United Kingdom

Not as obvious as we think: the frequency bands are completely different, enough to make vampires go out only by night
Also, Saturn radiates 2-3 times what it receives from the Sun, so what you see is not just sunlight?

Paris/Essex, France/UK, United Kingdom

I don’t think so. Saturn has an internal heat source, but is not emiting visible light. For that it would need to be immensely hot; thousands of degC, to produce the right colour. Saturn is emitting long wavelength IR.

Administrator
Shoreham EGKA, United Kingdom

This amazing video covers the Apollo Guidance Computer architecture. It’s a fast presentation and not boring



Administrator
Shoreham EGKA, United Kingdom

Also interesting in terms of comparison to todays computers



EDAQ, Germany

Thank you for finding that.

This seems to be a longer version of above



You have to put up with the dumb guys presenting it

The interesting thing is how much of the stuff has survived. I’ve read that all the software for the Saturn guidance (the system built by IBM) was lost – unlike the SM and LM computers for which they have working hardware, all the sources, and anyway could retrieve the binaries from the core modules.

Administrator
Shoreham EGKA, United Kingdom

Incredible to hear the engineer in the video talk about the analysing and debugging part with loads and loads of printed out sheets of numbers and using templates to look for unnatural number patterns which could take weeks, crazy from todays perspective
Emphasizes, what can be achieved if you are focused on solving a problem

EDAQ, Germany

I am partly through a really fascinating book Sunburst and Luminary.

Don Eyles was the main programmer on the Lunar Module software.

Administrator
Shoreham EGKA, United Kingdom

Just got this one

Eldon Hall was the totally mad boffin who designed the AGC hardware.

Administrator
Shoreham EGKA, United Kingdom
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