Half a croissant, on a plate, with a sign in front of it saying '50c'
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PEI Kitty Litter

CO2 capture
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(+1, -2)
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PEI is said to be a cheap material for capturing CO2. Add it to kitty litter, to reduce the carbon footprint worldwide.

I have real doubts about posting this, since I feel certain no one has tested the safety of PEI on cats.

4and20, Oct 17 2018

PETN https://en.wikipedi...hritol_tetranitrate
Very useful ... [8th of 7, Oct 17 2018]

Don't drink PEI http://www.inchem.o...jecmono/v20je08.htm
[4and20, Oct 17 2018]


       Works in kitty litter boxes, as grit for icy walkways (if substrate is biodegradable), and to provide traction when getting your pickup truck out of the ditch and back on the road... for a 'better than net zero' effect!   

       Use diatomaceous earth as the substrate, and kitty will also be flea-free.
Sgt Teacup, Oct 17 2018

       Prince Edward Island?
AusCan531, Oct 17 2018

not_morrison_rm, Oct 17 2018

       ^ <snigger>   

       Is there a market for PETN-based based kitty litter ? We think there is ...   


       // diatomaceous earth //   

       Hmmm ... such as kieselguhr, the absorbent/stabilizer in classic "dynamite" ? Now there's a thought ...   

       <Evil chuckling>
8th of 7, Oct 17 2018

       Sometimes it pays to read Wikipedia:   

       "Toxicity is by two different mechanisms,[14] the disruption of the cell membrane leading to necrotic cell death (immediate) and disruption of the mitochondrial membrane after internalisation leading to apoptosis (delayed)."   

       I'm very close to boning myself. There, I said it.
4and20, Oct 17 2018

       Well, some form of Polyethylenimine is in your food, but probably not in cat food:   

       "It was not possible to determine the lethal oral dose of polyethylenimine in dogs and cats because of vomiting. Cats vomited within 30 minutes of receiving 100-500 mg/kg, so only a small amount of the material remained in the stomach."
4and20, Oct 17 2018

       // It was not possible to determine the lethal oral dose //   

       Hmmm. It should, however, be possible to determine the median lethal dose administered by external vertical impact, from a height of 20m ...
8th of 7, Oct 17 2018

       You jump and I'll catch you.
4and20, Oct 17 2018

       Yeah, right ... we've seen those "team-building" sessions, where someone has to let themselves fall backwards and their cow-orkers are meant to catch them ... but they don't.   

       And anyway, the idea is to drop a container of PEI on the cat, Wyle E. Coyote-style.   

       Actually, three cats will be needed, to conclusively demonstrate repeatability.
8th of 7, Oct 17 2018

       // three cats will be needed, to conclusively demonstrate repeatability.//   

       No. It's not 1977 anymore, you can't just do something three times and point at the vaguely similar graphs before retiring to the pub full of a warm glow that comes from a job well done. No. Modern publications would require a full dose-response curve. More than that, at each dose, you'd want to make sure you have a normal data distribution. Sadly, that means you'd probably have to repeat that curve several times. God knows the problems you can get into if you have no idea of the range. Say you started at 100 kg. Now, what if all the cats were dead? Probably best to back off the dose a bit, say 99 kg and repeat. Now, they're probably all going to be dead, so now what? Well I'd run a wide curve, 1ug, 100ug, 1mg, 100mg, 1g, 100g, 1kg, 100kg, 1 ton. You'd get a reasonable idea of your window there, but there would be a long tail of no effect/100% effect. I'd say that the ug-1g range probably will show no dead cats. Sadly, you can't reuse them, ethics require they be sacrificed to preclude any undue suffering and adaptation. Could be a long process.
bs0u0155, Oct 17 2018

       Why do you use the word "sadly" in your annotation ? We think "fortuitously" works much better in this ....


       ... context.   

       <removes 10g of PEI from container, starts hauling it back up gantry>
8th of 7, Oct 17 2018


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