THE ENERGIZER COW

摘要

Instead of milling around aimlessly in pens, as most cows do, William Taylor's herd is put to work. As they eat, they walk on an electricity-generating treadmill.rnTaylor has invented, among other contraptions, a better manure mixer and a pen that prevents cows from kicking vets during medical procedures on his farm in Northern Ireland. But this was his first foray into making power.