Lighting your home efficiently and economically has never been easier. Since there are energy-efficient options in all shapes and sizes, asking the right questions allows you to shop the light bulb aisle effortlessly.
Watts and lumens are two different measuring units. Watts measure the amount of energy required to light a product, whereas lumens measure the amount of light produced. The more lumens in a light bulb, the brighter the light.
The Nobel Prize in Physics just awarded to Isamu Akasaki, Hiroshi Amano, and Shuji Nakamura for their work on blue light emitting diodes—LEDs—reveals the extent to which lighting technology has changed over the just the last four decades.