Sunday, 27 February 2022

The Revenge of the Hot Water Bottle

quote [ Imagine a personal heating system that works indoors as well as outdoors, can be taken anywhere, requires little energy, and is independent of any infrastructure. It exists – and is hundreds of years old. The hot water bottle could save a great deal of energy and money without sacrificing thermal comfort. ]

Interesting article about heating infrastructure with several bottle exhibits – thumb is a model from 1957.
[SFW] [do it yourSElf] [+2 Interesting]
[by Paracetamol@8:02pmGMT]


cb361 said @ 9:32am GMT on 28th Feb
I think that American sleeping habits must be different to the british. In American films, they always seem to have the flimsiest of sheets on the bed, instead of a comfy duvet. Also, they don't know about hot water bottles. So I hypothise that Americans keep their bedrooms much hotter at night, than the British do.

Personally, I can't sleep in a hot bedroom. I turn the heating down in the evening so the bedroom is nice and cool by bedtime. And believe there is nothing nicer than snuggling down with under a thick duvet with a hot water bottle. I usually have to kick it out of bed once the required internal temperature has been reached.

GF has been burned badly by hot water bottles twice, though. Once from a leak and once from falling asleep lying on a bottle, when she was suffering from agonising muscle pain from taking statins.
5th Earth said @ 6:43pm GMT on 28th Feb [Score:1 Interesting]
Part of that, I think, is film aesthetics. I for one like my blankets piled high. Part of it is the semi-common use of electric heated blankets, which I suspect are a mostly American thing.

As an aside, Cody's Lab did a cool video a while back showing that filling a bottle with liquid paraffin wax gives a much longer-lasting, more consistent heat source, and can be reused by heating it in a hot water bath. The heat of fusion as the wax resolidifies significantly increases the total energy stored and releases it at a more consistent rate.
mechanical contrivance said @ 6:53pm GMT on 28th Feb
I have a sheet, a blanket, and a bedspread on top of me. The sheet and blanket are pulled up all the way, but the bedspread is only pulled up to my waist. I get too hot otherwise. My bedroom is the same temperature as the rest of my house. I've never had a need for a hot water bottle.
slaytanik said @ 1:15pm GMT on 28th Feb
God bless the Queens Muff Warmer
mechanical contrivance said @ 6:48pm GMT on 28th Feb
Does the queen's muff need warming?
cb361 said @ 7:40pm GMT on 28th Feb
He’s dead, so feel free. But I don’t think anybody’s going to be happy with the result.

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