The lighting industry solved this problem by adopting CFLs, or fluorescent bulbs shaped like incandescent bulbs that could be screwed into incandescent sockets.

LED and fluorescent bulbs won't rattle when they die, so this method has limited uses. ... If it does, you may be using the ...

I've experienced three types of CFL problems and, judging from our mail, it seems our readers have as well. * Problem: The bulbs simply were defective--they seem to have failed for no good reason.

Low-energy light bulbs are so bulky that they do not fit in many standard lamps and light fittings, it has emerged. The EU will impose a ban on sales of 100W bulbs from September. The fluorescent ...