3
" When Geoffrey was away, the goat often took himself off. He had soon got the goats at Granny’s cottage doing his bidding, and Nanny Ogg said once that she had seen what she called ‘that devil goat’ sitting in the middle of a circle of feral goats up in the hills. She named him ‘The Mince of Darkness’ because of his small and twinkling hooves, and added, ‘Not that I don’t like him, stinky as he is. I’ve always been one for the horns, as you might say. Goats is clever. Sheep ain’t. No offence, my dear. "
― Terry Pratchett , The Shepherd's Crown (Discworld, #41; Tiffany Aching, #5)
4
" Mister Geoffrey, my experiment shows that the dynamo and the bulb are both working properly," I said. " So why won't the radio play?" " I don't know," he said. " Try connecting them here." He was pointing toward a socket on the radio labeled " AC," and when I shoved the wires inside, the radio came to life. We shouted with excitement. As I pedaled the bicycle, I could hear the great Billy Kaunda playing his happy music on Radio Two, and that made Geoffrey start to dance." Keep pedaling," he said. " That's it, just keep pedaling." " Hey, I want to dance, too." " You'll have to wait your turn." Without realizing it, I'd just discovered the difference between alternating and direct current. Of course, I wouldn't know what this meant until much later.After a few minutes of pedaling this upside-down bike by hand, my arm grew tired and the radio slowly died. So I began thinking, " What can do the pedaling for us so Geoffrey and I can dance? "