In Plain Sight - BackStory with the American History Guys http://
Infrastructure: Lighthouses, AC vs DC (Tesla), pipelines vs railroads, containers
#marine #navigation #nation #constitution #infrastructure #tesla #rail #train #railroad #energy #politics #business #1870s #business #good #history #podcast #rockefeller #oil #oiloil #monopoly
When the boom is over you might want to have a railroad rather than a pipeline.
Remarkable research and model (in Orbiter) of the Gemini rendezvous process
#rendezvous #gemini #how #orbit #howhow #howto #tutorial #orbiter #simulation #process #cool #interesting #1960s #math #apollo #moon #pdf #pdfpdf #history #space #aero #navigation
Gemini semi-optical rendezvous tutorial (v 0.3) http://
the large SERVICER job [...] first performed average-G navigation, then guidance equations, then throttle and attitude output, and then the updating of displays — each part using the outputs of the ones preceding.
#gnc #gncgnc #lm #lmlm #apollo #agc #agcagc #howhow #how #navigation #control #mit #nasa #good #explanation #january #2015 #saved #evernote
Apollo 11 and Other Screw-Ups http://
"One day Kosmala, a programmer, went to the MIT library and looked up a series of star coordinates to align the inertial platform, which he then embedded into the code. That star catalog survived into the final version and became the basis for the astronauts' navigation to the moon." page 147 Digital Apollo: Human and Machine in Spaceflight - David A. Mindell - Google Books
#apollo #agcagc #gncgnc #mitmit #history #programming #code #1960s #moon #quote #book #library #swhpl #star #mapmap #astronomy #navigation
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