230 W Wake up! We are often told to wake up. But no one teaches us how to wake up. For a long time I woke up in the middle of wars, famine, disasters, corruption, lying politicians and greedy businessmen. It was called waking up to the news, and it was not a good way to wake up. After a very hard trip in Africa, I returned to the edge of civilization and found a hotel with a corrugated iron roof and barbed wire for a fence. Bliss. I woke up in the morning and a miracle happened: I turned on a tap and cold, clear water came out. I was assured it was drinkable. I did not have to walk 3 kilometres to a muddy, crocodile-infested river to get my water. And then