Why freemium software has no place in our classrooms

Digital teaching and communication tools are increasingly present in kindergarten to Grade 12 classrooms. By April 2020, not long after the onset of the pandemic, Google Classroom had doubled its users to more than 100 million.

'Urban canyons' prolong sonic booms in cities

Twenty years after the retirement of the Concorde, several industrial and research projects want to make supersonic flight a reality again. However, supersonic planes produce sonic booms loud enough to warrant noise concerns ...

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