[Watford] Follow ups from last night

[Peter Grant]

On 4 April 2014 10:13, Alain Williams <addw at phcomp.co.uk> wrote:

> On Fri, Apr 04, 2014 at 10:05:10AM +0100, Alain Williams wrote:
> > The effects of age [**] I saw this today. I wonder if it would be woth
> getting a
> > lamp in my office of at least 500 lux and running it for 1/2 hour ?
> >
> >
> http://www.northwestern.edu/newscenter/stories/2014/04/morning-rays-keep-off-the-pounds.html
> >
> > Anyone any idea how much 500 lux is ?
> >
> > It is probably better to go for a 1/2 hour walk every morning - even in
> winter
> > when it is dull.
>
>
For 500 lux, which is 500 lumens per square meter, it would be approx a 50W
incandescent bulb per square meter.
So, depends upon the area you're lighting - but that makes me think it's
fairly bright, something in the range of a desklight.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.lug.org.uk/pipermail/watford/attachments/20140404/f6072c86/attachment.html>