>> The kettle uses more power in 1 minute than my computer uses in 1,000 
>> minutes ( = nearly 17 hours).
> 
> Bah it's winter, both heat up your house thus saving on heating so I 
> wouldn't worry :-)

Absolutely! Altough my PC heats the building more efficiently than the 
kettle, for at least the following reasons:

- The water's phase change from liquid to vapour uses a large amount of 
energy for a small change in temperature.

- The kettle is extensively insulated to facilitate rapid heating of the 
water. My PC, on the other hand, has special fan systems especially 
designed to *dissapate* heat. ;-)

I have noticed that within 30 minutes of turning my PC on, my bedroom 

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