What Was the Final US-Market Car to Get a 3-Speed Automatic Transmission?

by Murilee Martin | Autoweek

Photo credit: Murilee Martin

From Autoweek

Now that we’re up to ten forward speeds in ordinary street automatic transmissions, the idea of a three-speed automatic seems amusingly antiquated. The good old three-speed slushbox was  …

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SpaceX found unexpected ‘erosion’ on its spaceship’s heat shield after its first NASA astronaut mission, so it revamped the system

by mmcfalljohnsen@businessinsider.com (Morgan McFall-Johnsen) | Business Insider

The SpaceX Go Navigator recovery ship lifts the Crew Dragon capsule out of the Gulf of Mexico, near the coast of Pensacola, Florida, on August 2.NASA/Bill Ingalls
  • SpaceX discovered unexpected erosion on
 …

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After measuring radiation on the moon for the first time, scientists say a lunar base should be built underground to protect astronauts

by awoodward@businessinsider.com (Aylin Woodward) | Business Insider

  • NASA recently unveiled the plan for its Artemis program, a series of missions that would return astronauts to the moon.
  • A new study found how much radiation astronauts are exposed to on
 …

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