[PD] Opening a PD patch on Startup in OSX

[Hans-Christoph Steiner]

On Sep 26, 2007, at 6:20 AM, Mathieu Bouchard wrote:

> On Tue, 25 Sep 2007, Max Neupert wrote:
>
>> Am 23.09.2007 um 18:35 schrieb Greg Pond:
>>> I havent encountered the problem that you have but I dont  
>>> shutdown my
>>> machines at night. Is there some reason you need to?
>> what about saving some energy and our earth ;)
>> or is that a no reason?
>
> As soon as you start heating your house, saving energy on  
> incandescent lightbulbs and computers and monitors becomes rather  
> futile: the energy that you save on those still has to be spent on  
> plain heating. The big difference might be that e.g. you pay  
> HydroQuébec instead of GazMétro, so you generate less CO2 and pay a  
> bit more (until the price of methane goes up), but if your heating  
> is all-electric there is no difference.
>
> At this point in the year, though, it matters to me: air  
> conditioner is on, it's back to 30°C in Montréal. If you use air  
> conditioning, heating matters twice because not only it's generated  
> but it also takes extra energy to take it out of the house.
>
> Energy saving ratings never take this into account, afaik.

You overlooked one thing, which is that it is a lot more expensive to  
heat with electricity than combustion.  Compare:

- Burn stuff, make steam, turn generators, step up voltage, transmit  
power many miles over big wires, step down voltage, transmit to  
house, and run thru electrical element to generate heat

- pipe stuff to house, burn it, pump hot water around your house.

.hc

>
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Computer science is no more related to the computer than astronomy is  
related to the telescope.      -Edsger Dykstra