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Engine Tests May Stall Shuttle

A crack in a test space shuttle engine had NASA scrambling Thursday to determine whether any of Columbia’s three engines have similar flaws.

The problem threatened yet another delay for Columbia’s science mission, already two weeks late because of various equipment failures. Launch try No. 5 is supposed to be Saturday.

NASA spokeswoman June Malone said a 2-inch crack was found on the high-pressure oxidizer discharge duct of an engine being tested at Stennis Space Center in Mississippi. Liquid oxygen leaked from the crack Wednesday; engineers are not sure when the metal cracked.


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‘Jurassic Park’ dinosaur expert’s next big thing: holograms

new  Horner, who consulted with director Steven Spielberg on the “Jurassic Park” films, is developing a three-dimensional hologram exhibit that will showcase the latest theories on what dinosaurs looked like. He is working with entertainment company Base Hologram to create an exhibit that will let people feel as though they’re on an archaeological dig, inside a laboratory and surrounded by dinosaurs in the wild.