
La troisième phase des travaux du service rapide par bus (SRB) Pie-IX s’amorcera le lundi 2 mars prochain dans le secteur de l’intersection de la rue Notre-Dame et du boulevard Pie-IX, dans Mercier-Hochelaga-Maisonneuve.
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How Richard Feynman Found the Root of the Challenger Disaster
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".. O-rings .. these rings were never intended to be used to cover expanding gaps, .. "
".. felt frustrated by the slow pace + “time-consuming” public meetings + briefings “of so little use.” He did his own research .. even created his own report .. released publicly. .."
https://nautil.us/how-richard-feynman-found-the-root-of-the-challenger-disaster-1264270/
28.1.2026
#Booster #BurnThrough #Challenger #NASA #ORing #Raumfahrt #RichardFeynman #SpaceFlight #SpaceShuttle #SRB #STS #STS51L
#ABC:
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Challenger: The disaster five people saw coming
Forty years ago, the Challenger space shuttle disintegrated just after lift-off, killing its crew and changing the history of spaceflight. A small team of engineers tried to prevent the tragedy — but they were overruled.
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https://www.abc.net.au/news/science/2026-01-28/space-shuttle-challenger-disaster-nasa-explosion-video-engineers/106162902
27.1.2026
#arrogance #Booster #BurnThrough #Challenger #disaster #management #NASA #negligence #ORing #Raumfahrt #SpaceFlight #SpaceShuttle #SRB #STS #STS51L #Thiokol