Figure S2 shows the energy balance of a typical low pressure sodium lamp, which reveals that in fact only about 30% of the input power is converted into visible light. This percentage is comparable with other modern discharge lamps.
Dilated cardiomyopathy is a disease in which the heart muscle becomes enlarged and weak. Loss of ability to contract is a main component of the condition, affecting both left and right sides of the heart.
Dilated pupils or pupils that are unequal in size can be a sign of serious conditions affecting the brain, including stroke, bleeding or tumor and often signal the presence of a medical emergency. Head trauma may also produce dilated or unequal pupils that accompany other brain injuries.