[ad_1] TORONTO – Canadians tend to be more positive on Twitter than their American counterparts, according to a new study from an Ontario university that suggests that the language we use can …
Read More »Huh? Carbon dioxide emissions increase the risk of satellite collisions
[ad_1] In February 2009, two space satellites orbiting at a speed of nearly 17,000 km / h hit an altitude of 482 miles above Siberia. One of them was an operational American …
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