[time-nuts] White LED's

[Mike Feher]

Or, possibly, your radiant personality :). - Mike

Mike B. Feher, N4FS
89 Arnold Blvd.
Howell, NJ, 07731
732-886-5960




-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Dr. David Kirkby
Sent: Saturday, January 30, 2010 12:47 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] White LED's

Dr. David Kirkby wrote:
> Chuck Harris wrote:
>> I bought some of the LED replacements for Edison bulb incandescents, and
>> they have an afterglow that lasts for several minutes.  It is very much
>> dimmer than when they are turned on, but is there none the less.
>>
>> -Chuck
> 
> I got one of these so called 2D fluorescent tubes in a packet and bought 
> it home on the train late in the evening. The trains are electric with 
> cables overhead. What was strange was that the lamp was glowing dimly in 
> the packet - I can only assume the E field from the overhead cables for 
> the train was the source of power.
> 
> Dave

I should have added, it carried on glowing for some time after I got home
too. 
At that point, I was well away from the train lines, though we do have 11 kV

overhead cables around 30m from the house. It eventually stopped glowing so
I 
assume it was the presence of the overhead train lines which caused this.

_______________________________________________
time-nuts mailing list -- time-nuts at febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.