First Fire:
Human ancestors may have known how to make and control fire as far back as 1.5 million years ago. The earliest traces of domestic fire are hearths at the site of Gesher Benot Ya’aqov in Israel, dating from 790,000 bce. With fire, people could cook and eat a wider range of foods.
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Reusable spacecraft:
NASA introduced its first manned, reusable spacecraft with the test launch of the first space shuttle, Columbia. Shuttles were launched using rocket engines, but on their return, glided back to Earth and landed like aircraft. Space shuttles made 135 missions into space until the fleet’s retirement in 2011.
