Sensors do not reveal the world as truth. They provide partial, noisy, time-bound measurements from which the robot must infer a state that is never fully given.Get notified when this essay drops.Subscribe once and we'll email you the moment this essay — and every future Foundations essay — is published.you@example.comNotify meI agree to receive Foundations emails. See our privacy policy. Unsubscribe at any time.Back to all Foundations