Recent comments

AlbertVonMagnus t1_jegvtkk wrote

As I said, it depend entirely on the products in question as well as the market. Aluminum is valuable enough to more than pay for salvaging costs for most products that contain a meaningful amount.

Glass meanwhile is currently not cost-effective because the value of salvaged glass has recently fallen below the salvaging cost, even though glass recycling was quite cost-effective in the past. The market is just as important as anything else here.

Solar panels are not cost effective at all to salvage as their components are not particularly valuable but are quite costly to salvage from the panels. Thus they are piling up in landfills wherever there are no regulations that require proper recycling.

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dougal1084 t1_jegvt3q wrote

Interestingly treatments which cause activation of pain fibres can actually improve pain in some situations. Capsaicin (the spice compound in chillies) can be used as a topical treatment. It causes temporary activation of pain fibres followed by a more prolonged desensitisation which improves pain symptoms in neuropathic conditions such as post-herpetic neuralgia.

Capsaicin has actual physiological effects on pain receptors, but there is also what is called “gate control theory” which is the principle that when your pain receptors are activated, addition of a non-painful stimulus can overwhelm a painful stimulus and reduce pain- it’s why when you bang your knee you rub it and the pain reduces.

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schoolme_straying t1_jegvrxz wrote

We're that far down in the weeds nobody is interested in our conversation

I think the idea that the time the earth takes to rotate 360° varies and is thus not constant is important and it has consequences that are verifiable to anyone with a mobile phone and GPS.

In terms of science etc I think the idea of a constant should only be used for things that do not change. IE π e and the speed of light in a vacuum.

Obviously I thought it was important or I wouldn't have mentioned it.

As a distraction here's a man in the 1970s with a GPS wondering about the implications of a better organised society

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Zealousideal-Alarm37 OP t1_jegvrv1 wrote

My issue with this explanation is that techniques like diffusion tensor imaging (a form of dMRI) can map paths taken in the white matter (ie the actually axons of neurons, and the myelin on this axons that make white matter white in the first place). Axons are very thin iirc, and while the cortex is thicker than the resolution of the MRI, how can it map things smaller than that resolution?

Do Voxels overlap?

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