Practice Test 2: Interactive Video on Option G (Future Smart City: Vision of Elon Musk)
Tens of thousands of communications satellites: What about Space Debris? Click here to notice thousands of satellites that are orbiting our Earth at this moment.
Things robots do better than humans: Robot-IA-Human
The spiralling environmental cost of our lithium battery addiction: The myth of Electric Vehicle and the true story of lithium ion batterie.