Your kitchen faucet has washers.
They keep water from leaking through the joints in the fixtures. And that’s what O-rings do.
They are giant washers that keep pressurized hydrogen from leaking out of the SRB, the solid rocket booster, which shoots the space shuttle out of the Earth’s atmosphere.
These o-rings have been tested and tested under every possible circumstance but one – cold.
They didn’t test to see if the o-rings worked when it was cold.
Why would they even think to test for that?
The thing’s launching from south Florida. When’s it gonna be cold?
On January 28, 1986, a cold snap dragged the overnight temperature down to 18 degrees and turns out the o-rings stopped working below 40.
So 73 seconds after the Challenger lifts off, it converts itself into a bomb and detonates.
March 2, 1955.
Took me 6 months to finish the 2nd season of The Newsroom, and see Will and Mac get back together. It's a fantastic ending, but I still don't get why it took Will so long to do it. Anyway, now I can't call which is my favorite between this and House of Cards. I'll live with that.
"I call myself a Republican 'cause I am one. I believe in market solutions and believe in common sense realities and the necessity to defend ourselves against a dangerous world and that's about it. Problem is now I have to be homophobic. I have to count the number of times people go to church. I have to deny facts and think scientific research is a long con. I have to think poor people are gettinga sweet ride. And I have to have such a stunning inferiority complex that fea
“新闻编辑室 第二季”他们的知识面好广，我跟不上
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