http://news.bbc.co.uk/1/hi/uk/8367933.stm
Energy-efficient light bulbs lose on average 22% of their brightness over their lifetime, a study has found.
In some cases they emit just 60% as much light as traditional models which are being phased out of shops, it says.
The study in Engineering and Technology magazine concluded that consumers were being misled by the bulbs' packaging.
Of the 18 energy-saving bulbs tested over 10,000 hours by the Institution of Engineering and Technology, three stopped altogether.
Critics, however, claim they can trigger migraines, make skin conditions worse and lead to other health problems.
But most friggin annoying of all is the fact the ones I seem to have ended up with take 10 minutes to reach full brightness. Until then they just slightly glow orange.
Energy-efficient light bulbs lose on average 22% of their brightness over their lifetime, a study has found.
In some cases they emit just 60% as much light as traditional models which are being phased out of shops, it says.
The study in Engineering and Technology magazine concluded that consumers were being misled by the bulbs' packaging.
Of the 18 energy-saving bulbs tested over 10,000 hours by the Institution of Engineering and Technology, three stopped altogether.
Critics, however, claim they can trigger migraines, make skin conditions worse and lead to other health problems.
But most friggin annoying of all is the fact the ones I seem to have ended up with take 10 minutes to reach full brightness. Until then they just slightly glow orange.
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