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Do trees actually explode in the cold?
During extreme cold snaps, people sometimes report hearing trees 'explode.' Trees don’t literally blow apart, but they can crack suddenly, producing a loud bang. The cause is simple physics. When ...
On Jan. 28, 1986, the 25th space shuttle mission Challenger left the launchpad in Cape Canaveral, Florida. Seventy-three seconds into flight, Challenger exploded over the Atlantic Ocean as millions of ...
NASA's space shuttle Challenger broke apart during launch on January 28, 1986, killing all on board. The space shuttle's seven crew members died, including one civilian teacher. The tragedy changed ...
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