Orlando Science Center breaks Guinness World Record with massive paper rocket launch
The Orlando Science Center set a Guinness World Record on Saturday with the most people simultaneously flying paper rockets.
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China test fires ‘world’s largest, most hi-tech solid-fuel rocket engine’
This story has been changed to clarify that it is the world's largest single-segment solid rocket. China says it fired up the world’s largest single-segment solid-fuel rocket engine for the ...