The term "horsepower" has fueled debates for centuries—did James Watt intentionally underestimate a horse’s strength to make his steam engines look better? This deep dive explores the origins of the unit, the types of horses Watt used in his calculations, and whether his motives were scientific or purely commercial. From conservative estimates of sustained work to the biases of early marketing, uncover the surprising truth behind one of history’s most enduring measurements. For advertising opportunities, visit Avonetics.com.