[FoRK] what tech will your kids never use?

Greg Bolcer greg at bolcer.org
Sat Feb 23 11:58:09 PST 2013

I thought the problem with led traffic signals was that the snow doesn't melt off so they become completely useless unless they add an additional heater unlike the traditional ones.

Sent from my iPhone

On Feb 23, 2013, at 8:59 AM, "Joseph S. Barrera III" <j3 at barrera.org> wrote:

> On 2/23/2013 8:54 AM, Bill Kearney wrote:
> > Might be fair to say incandescent bulbs might be largely obsolete in just about all applications they might encounter.
> Yeah. Certainly for traffic lights. And we're starting to see LEDs replace incandescent and gas-discharge (e.g. sodium) lamps for street lighting, e.g.:
> http://www.dot.ca.gov/ctjournal/2011-1/LED.html
> I wonder how long headlights will still be incandescent / halogen.
> - Joe
> -- 
> Sent from my Motorola DynaTAC 8000x
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