Things you always wanted to know the answer to [Vol. 3]

Things you always wanted to know the answer to [Vol. 3]

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talksthetorque

10,815 posts

136 months

Monday 12th June 2017
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TTmonkey said:
Rickyy said:
Why does my small lawnmower need a 148cc engine, when a moped will carry a person up to 30+mph, with a 50cc engine?
Gearboxes.....?
My engine isn't small enough question on PH?

redcard

JustinF

6,795 posts

204 months

Monday 12th June 2017
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glazbagun said:
...lots of interesting stuff...
Awesome thanks for that! Every day is a school day.

SpeckledJim

31,608 posts

254 months

Monday 12th June 2017
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TTmonkey said:
Rickyy said:
Why does my small lawnmower need a 148cc engine, when a moped will carry a person up to 30+mph, with a 50cc engine?
Gearboxes.....?
Basically, yes. The lawnmower runs at a fixed gear ratio which is a compromise of blade speed and blade torque.

The moped gets the benefit of a gearbox to either get you slowly up a hill, or get you along the road at (reasonable) pace

Flibbiddydibbiddydob

11,669 posts

251 months

Monday 12th June 2017
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kowalski655 said:
Following on from the paracetamol one, what would be the quickest and most painless way to top yourself, assuming no access to firearms?
Nicotine poisoning? (Thanks to the Jolly Roger Anarchist's Cook Book circa 1970s)


Nicotine is an abundant poison. Easily found in tobacco products, in concentrated form a few drops can quickly kill someone. Here is how to concentrate it:
First get a can of chewing tobacco or pipe tobacco. Remove the contents and soak in water overnight in a jar (about 2/3 cup of water will do...). In the morning, strain into another jar the mixture through a porous towel. Then wrap the towel around the ball of tobacco and squeeze it until all of the liquid is in the jar. Throw away the tobacco--you will not need it anymore.

Now you have two options. I recommend the first. It makes the nicotine more potent.

Allow to evaporate until a sticky syrup results in the jar. This is almost pure nicotine (hell, it is pure enough for sure!).
Heat over low flame until water is evaporated and a thick sticky syrup results (I don't know how long it takes... shouldn't take too long, though.).
Now all you have to do, when you wish to use it, is to put a few drops in a medicine dropper or equivalent, and slip about 4 or 5 drops into the victim's coffee. Coffee is recommended since it will disguise the taste. Since nicotine is a drug, the victim should get quite a buzz before they turn their toes up to the daisies, so to speak.
Note: If the syrup is too sticky, dilute it with a few drops of water. And while you are at it, better add an extra drop to the coffee just to be sure!

Revised in '94,,..... -= Exodus =-




Am I on a watch list now?

Edited by Flibbiddydibbiddydob on Monday 12th June 13:52

p1stonhead

25,674 posts

168 months

Monday 12th June 2017
quotequote all
Flibbiddydibbiddydob said:
kowalski655 said:
Following on from the paracetamol one, what would be the quickest and most painless way to top yourself, assuming no access to firearms?
Nicotine poisoning? (Thanks to the Jolly Roger Anarchist's Cook Book circa 1970s)


Nicotine is an abundant poison. Easily found in tobacco products, in concentrated form a few drops can quickly kill someone. Here is how to concentrate it:
First get a can of chewing tobacco or pipe tobacco. Remove the contents and soak in water overnight in a jar (about 2/3 cup of water will do...). In the morning, strain into another jar the mixture through a porous towel. Then wrap the towel around the ball of tobacco and squeeze it until all of the liquid is in the jar. Throw away the tobacco--you will not need it anymore.

Now you have two options. I recommend the first. It makes the nicotine more potent.

Allow to evaporate until a sticky syrup results in the jar. This is almost pure nicotine (hell, it is pure enough for sure!).
Heat over low flame until water is evaporated and a thick sticky syrup results (I don't know how long it takes... shouldn't take too long, though.).
Now all you have to do, when you wish to use it, is to put a few drops in a medicine dropper or equivalent, and slip about 4 or 5 drops into the victim's coffee. Coffee is recommended since it will disguise the taste. Since nicotine is a drug, the victim should get quite a buzz before they turn their toes up to the daisies, so to speak.
Note: If the syrup is too sticky, dilute it with a few drops of water. And while you are at it, better add an extra drop to the coffee just to be sure!

Revised in '94,,..... -= Exodus =-


Am I on a atch list now?
Whoa. I never knew.

Flibbiddydibbiddydob

11,669 posts

251 months

Monday 12th June 2017
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glazbagun said:
In the 20th century they used satellites to go-over their original measurement of the Meridian and found they were out by about 0.23mm per metre which is pretty cool given the tools they had.
Indeed! On a similar note, the surveying of India and Mt. Everest is also fascinating. There's a very good book about it too.

A vivid description of one of the most ambitious scientific projects undertaken in the 19th century, and the men who undertook the measurement of the Himalayas and the mapping of the Indian subcontinent: William Lambton and George Everest.

Flibbiddydibbiddydob

11,669 posts

251 months

Monday 12th June 2017
quotequote all
p1stonhead said:
Whoa. I never knew.
Yeah, it kicks picolax out of the park in terms of an 'office revenge'. hehe

blade runner

1,035 posts

213 months

Monday 12th June 2017
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A bit left-field this one, but as I was getting the kids breakfast ready this morning I pondered how on the hell they manage to get Weetabix into the shrink-wrapped packaging and then into the box without any crumbs of flakes?

I'd always imagined the Weetabix factory must have a permanent coating of Weetabix dust over everything, seeing as you just have to look at a Weetabix the wrong way and it will disintegrate into a mass of crumbs, which seem to love sticking to the highly static shrink-wrapping. Yet they are always pristine inside the box with no evidence of even a tiny particle of Weetabix to be seen?

CoolC

4,222 posts

215 months

Monday 12th June 2017
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hairykrishna

13,185 posts

204 months

Monday 12th June 2017
quotequote all
kowalski655 said:
Following on from the paracetamol one, what would be the quickest and most painless way to top yourself, assuming no access to firearms?
Asphyxiation. Get a bottle of gas - nitrogen, argon or similar and a breathing mask. Unconscious in less than a minute, dead within a few more. No sensation of suffocating - that's triggered by CO2 build up.




Morningside

24,111 posts

230 months

Monday 12th June 2017
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hairykrishna said:
kowalski655 said:
Following on from the paracetamol one, what would be the quickest and most painless way to top yourself, assuming no access to firearms?
Asphyxiation. Get a bottle of gas - nitrogen, argon or similar and a breathing mask. Unconscious in less than a minute, dead within a few more. No sensation of suffocating - that's triggered by CO2 build up.
That's the method for pig slaughter I think. BUT doing a quick Google means a slow 30 second panic before death.

hairykrishna

13,185 posts

204 months

Monday 12th June 2017
quotequote all
Morningside said:
That's the method for pig slaughter I think. BUT doing a quick Google means a slow 30 second panic before death.
Sure that's not CO2? They use it for animals sometimes. With something inert like nitrogen your body has no idea you're not getting oxygen so I'd be surprised if there's any panic.

MartynVRS

1,188 posts

211 months

Monday 12th June 2017
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Wiccan of Darkness said:
Long term paracetamol use is just as bad. Taking a daily dose below the "daily maximum" for a week or more will destroy the liver just as effectively. Takes a while for the liver to fully process it, and if serum levels are topped up before the last has been metabolised (half life is about 2-2.5 hours) there's still drug in the serum whern the next dose is taken.

After a week, the metabolites of the paracetamol start to affect the liver, and essential compounds used in the metabolism deplete further, the risk of liver damage increases. Remember, you're not even overdosing.

One of the metabolites is quite reactive, and remains sat in the liver, attached to essential compounds and gradually accumulates further, until the metabolites reach toxic levels. Liver necrosis sets in, and after the 'tipping point' is reached (10 days or so depending on various factors) any further paracetamol taken has nothing to bind to, and rapid liver failure commences.

There are several documented cases where people have died from paracetamol overdoses, when they haven't overdosed, simply taken the 'limit' for 7-10 days and suddenly become seriously unwell.
How much paracetamol is in two packets? I'm not sure as I always take it within something else like Ibuprofen when I had toothache a few weeks ago, mainly for the anti-inflammatory. I take co-docamol for a bad back (30/500's) and have been on and off for the last few years. They say not to take more than 8 a day which I never do but have taken 8 a day in the past when it's been really bad. The norm is 2 in the morning then 2 in the evening after food and never had any issues.

Nimby

4,639 posts

151 months

Monday 12th June 2017
quotequote all
hairykrishna said:
Asphyxiation. Get a bottle of gas - nitrogen, argon or similar and a breathing mask. Unconscious in less than a minute, dead within a few more. No sensation of suffocating - that's triggered by CO2 build up.
Getting hold of cylinders of inert gas isn't that easy, so an alternative is to get some sodium hydroxide (eg drain cleaner) and use that to absorb exhaled CO2 and just rebreath.

talksthetorque

10,815 posts

136 months

Monday 12th June 2017
quotequote all
Morningside said:
hairykrishna said:
kowalski655 said:
Following on from the paracetamol one, what would be the quickest and most painless way to top yourself, assuming no access to firearms?
Asphyxiation. Get a bottle of gas - nitrogen, argon or similar and a breathing mask. Unconscious in less than a minute, dead within a few more. No sensation of suffocating - that's triggered by CO2 build up.
That's the method for pig slaughter I think. BUT doing a quick Google means a slow 30 second panic before death.
Just switch your iphone off before you put the mask on then.







apologies for dark humour

glazbagun

14,295 posts

198 months

Monday 12th June 2017
quotequote all
talksthetorque said:
Just switch your iphone off before you put the mask on then.

apologies for dark humour
laugh

Hugo a Gogo

23,378 posts

234 months

Monday 12th June 2017
quotequote all
DoctorX said:
And so, basically, you're goosed. hehe
or you can be incredibly lucky, be taken to the very best transplant centre in the UK and have a fit man die nearby in tragic circumstances, his family approve organ donation, have a team of doctors and nurses do an 18hr operation and live

not me, a close family member, underweight, not eating because of terrible toothache, not looking after herself generally, took too many over the course of a week


northwest monkey

6,370 posts

190 months

Monday 12th June 2017
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Why is petrol & diesel priced at 114.9p per litre & not just 115p ?

DoctorX

7,323 posts

168 months

Monday 12th June 2017
quotequote all
Hugo a Gogo said:
DoctorX said:
And so, basically, you're goosed. hehe
or you can be incredibly lucky, be taken to the very best transplant centre in the UK and have a fit man die nearby in tragic circumstances, his family approve organ donation, have a team of doctors and nurses do an 18hr operation and live

not me, a close family member, underweight, not eating because of terrible toothache, not looking after herself generally, took too many over the course of a week
Incredibly lucky indeed, glad that worked out.

Wiccan of Darkness

1,847 posts

84 months

Monday 12th June 2017
quotequote all
Morningside said:
hairykrishna said:
kowalski655 said:
Following on from the paracetamol one, what would be the quickest and most painless way to top yourself, assuming no access to firearms?
Asphyxiation. Get a bottle of gas - nitrogen, argon or similar and a breathing mask. Unconscious in less than a minute, dead within a few more. No sensation of suffocating - that's triggered by CO2 build up.
That's the method for pig slaughter I think. BUT doing a quick Google means a slow 30 second panic before death.
CO2 is used to stun animals before slaughter, mainly chickens and turkeys; live birds are passed through a tank of CO2. a single breath will render you unconscious, after 30 seconds you're in trouble, 2 minutes and you're dead.

Flibbiddydibbiddydob said:
p1stonhead said:
Whoa. I never knew.
Yeah, it kicks picolax out of the park in terms of an 'office revenge'. hehe
Does other things too; essentially nicotine hits the receptors that trigger a massive dopamine release, but mainly the motor end plate of synapses. Muscles start twitching, you get dizzy, ataxia, convulsions and death. May or may not get galloping skitties but if so, by then it's the least of ones worries.

No need to put it in someones coffee. Lethal dose of nicotine is 60mg; there's 5mg absorbed per cigarette (to put it in context) and it's absorbed through the skin. If it were me, I'd put it in someones shoes.....

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