tag:blogger.com,1999:blog-8310743036850150926.post1415680629334670766..comments2024-03-05T03:16:36.148-08:00Comments on Electrical Engineering Pics: The evolution of the light bulb.ehabhttp://www.blogger.com/profile/09860850304147253370noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-8310743036850150926.post-28680455102291585792018-04-20T17:22:11.026-07:002018-04-20T17:22:11.026-07:00interessante gostei.interessante gostei.Wilson1337https://www.blogger.com/profile/00942360923859852506noreply@blogger.comtag:blogger.com,1999:blog-8310743036850150926.post-73274802205052166952017-05-18T19:34:33.786-07:002017-05-18T19:34:33.786-07:00The incandescent got a bad rap - yes, it uses more...The incandescent got a bad rap - yes, it uses more energy, but you can create a near vacuum bulb that could last a very very long time ( EG. firehouse lightbulb that's been burning since 1910 ) but planned obsolescence wins here. The fluorescent bulbs and cheap LED Never last their given rating, maybe 10% of their wishful-thinking life rating. LED wins for wattage used and hoping in the near future their popularity grows and then they can too become less expensive. My 2ยขAnonymoushttps://www.blogger.com/profile/11597573312526749020noreply@blogger.com