Why are LEDs so much more efficient than incandescent light bulbs? Do LEDs have disadvantages? These are some of the questions I answer in this video about light bulbs. I also test the claimed wattage and find some anomalies... Full music credit: Neo Western - Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/ ISRC: USUAN1100615 Lightless Dawn - Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/ ISRC: USUAN1100655 Easy Lemon - Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/ ISRC: USUAN1200076 Pop:Club - Gerardo Garcia Jr. http://sounds.productioncrate.com/electronic/