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User: RockDoctor

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  1. Re:Google Nukes . . . on Google Enters Race For Nuclear Fusion Technology (theguardian.com) · · Score: 1

    What is not known is how to produce net energy with fusion.

    Pile about 2*10^29 kg of average matter (*) in one place and wait for a couple of million years.

    Oh, you mean how to do it when you've only got about 10^27 kg of material within easy reach? That's harder. Do you want steady power output, or pulsed output?

    (Average matter : 1 part helium ; 3 part hydrogen ; trace dandruff.)

  2. Re:Vaccination Rates *and* Autism Rates are slippi on US Is Slipping Toward Measles Being Endemic Once Again, Says Study (arstechnica.com) · · Score: 1

    At this point not a single placebo test has ever been done to test the safety or efficacy of a vaccine, not one in history.

    Are you a liar or a troll? Liar, I suspect. Whatever. By the time that Salk and Sabin were developing polio vaccines in the 1950s, blinded testing of polio vaccines was a 20-year old subject (without success, it must be said). Dozens of trials on different strains were carried out in the development of the vaccine though the 1950s.

    Through the 1980s (and 1990s and 2000s, and most of the 2010s), I've been watching reports of the start of blinded trials of (candidate AIDS vaccine of the year) in the science press. Normally followed by a report of the trial being stopped weeks or months later due to side effects, ineffectiveness, or interfering fuckwit politicians. Though it must be said that there is some progress after 30-odd years of work.

    I can only assume that you're a deliberate liar, though I cannot for one second conceive of what your motivation is. Plain evil malice, I guess. Please have a shitty day, then crawl away and die somewhere.

  3. Re:Sitting: it's bad for your nuts, too... on Sperm Counts Among Western Men Have Halved In Last 40 Years, Says Study (theguardian.com) · · Score: 1

    It was the horse that made trousers a necessity for men.

    Probably true. If it weren't for the horse, "trousers" as an idea probably wouldn't exist outside the Nenets, Yamal and Inuit.

  4. They are anchored. But not barges.

    If you want stability, you need to get your buoyancy centre as high as possible, but your centre of mass as low as possible. This works best with a stiff column below the waterline, a weight at the bottom, and a (tapering) buoyancy chamber upwards. To retain stability during float out, you have to consider the stowage of your thousands of tonnes of anchor chain and cable to keep COB and COM properly arranged.

    Remember the "Brent Spar"? It's design wasn't as a floating barge for two damned good reasons - they needed stability (for shuttle tankers to connect to it) and they wanted to reduce the construction costs. That's why they didn't use anchored barges.

    I'm going to hazard a guess - you've never looked over the side of your workplace at 30m waves making the whole place bounce around, and wondered how the hell it all works ... then had to go to sleep as the structure moans and groans and jumps to the impact of the waves. It's an incentive to pay attention to nautical engineering - more of an incentive than sitting on the pontoons of the marina.

  5. Their expertise in building floating oil platforms,

    Actually, they subcontract almost all of the design work to Foster-Wheeler, Arup, Kvaerner etc, and the construction to other companies.

    Looks like they're being built at Tananger, just outside Stavanger. That'll limit their caisson depth to about 110m. (I forget the exact sill depth on that fjiord, but it's about that.) The water-depth limit will be in the tonnages of anchor chain/ cable (in order to hold location) they can stow and still float.

  6. Re:Is this a bad thing? on Sperm Counts Among Western Men Have Halved In Last 40 Years, Says Study (theguardian.com) · · Score: 1

    I don't see any big problems either. It'll take time (generations, literally not figuratively) to work through the demographic pyramid, but reducing fertility is an obvious requirement on a planet of finite resources and with an individual desire to not die young.

  7. Re:Estrogen mimic plasticizers all over the enviro on Sperm Counts Among Western Men Have Halved In Last 40 Years, Says Study (theguardian.com) · · Score: 1

    Well, at least you have an understanding of the difference between a plastic and a plasticiser.

  8. It's not new results. It's a metaanalysis of a large number of previous studies. Dumbass - go read the fucking article.

  9. Re:Anyone care to share an SA? on Sperm Counts Among Western Men Have Halved In Last 40 Years, Says Study (theguardian.com) · · Score: 1

    morphology (avg) = 2% normal forms

    progressive Motility (avg) = 30%

    What are the normal and SD for those parameters? (The subject is obviously of concern to you but not me. Childfree by choice.)

  10. Re:Missing a key statistic: conception rate on Sperm Counts Among Western Men Have Halved In Last 40 Years, Says Study (theguardian.com) · · Score: 1

    The theory is that with more women who are educated, birth rates go down. This doesn't hold true in much of Africa. After an initial decline from 6 to 4.5, birth rates aren't following historic trends elsewhere.

    You're forgetting that average eduction standards in much of Africa have not improved - particularly for females - for decades. Much of that drop in fertiity can be ascribed to a single educational fact : "with these vaccines, the chances of a particular child dieing in infancy has dropped from ~50% to ~25%". Once that fact was absorbed (observable in every village where it was relevant), birth rates decreased, as you say.

    The effect of slowly improving education is a much slower burn. It has been faster in China (full-blown socialism) and India (significant national free-to-use health services). Patchier in South America and ASEAN(-I) countries, because more varied countries, but generally working. Which is why Africa is suffering a severe population boom (with considerable inter-country variations).

  11. By and smash down the gates, I think sexconker means "release enough hormones in and around the egg to cause the egg to thin and weaken the extra-cellular mucous coating which prevents most of the sperm reaching the cell membrane. This mechanism has to be fairly fast acting, as once the proverbial "single wriggler" gets to penetrate the mucous AND the cell wall, then the cell needs to thicken the cell wall and mucous barrier very fast (seconds), or it ends up with two sperm in the egg, and a literal recipe for wasted resources.

    Those millions of non-penetrating sperm do have an effect, by eroding the mucous layer.

  12. Re: happened to me, unfortunately on Sperm Counts Among Western Men Have Halved In Last 40 Years, Says Study (theguardian.com) · · Score: 1

    Doctors report counts performed at external labs. If they're not, then they are the external lab for hundreds of other practitioners, and have several dozen staff doing sperm counts. (There were 5 sperm counting centres in the UK when I had my vasectomy, so I'd estimate 30 or so in the US. Maybe one per county/ State.) Personally, I just wanked into the pot (~3 months after snipping, per instructions), sealed it, put it into the packaging, dropped it into the post, and got the computer-generated letter a couple of weeks later. Probably not touched by human hands in the process. When I went for a re-test (to confirm my sterility before getting married), I had been in correspondence with the testing organisation beforehand, and got a human dictated and signed certificate of sterility.

  13. Re:happened to me, unfortunately on Sperm Counts Among Western Men Have Halved In Last 40 Years, Says Study (theguardian.com) · · Score: 2

    after I had 2 vasectomies. The first failed..

    Protocol here is to (1) cauterise both ends of the severed vasa, and (2) perform a sperm count 3 months after operation, before authorising the cessation of the contraception already in use.

    the second "succeeded" only to fail 3 years later.

    That strongly suggests that your practitioner wasn't using any sort of cauterisation, which does have a significant failure rate. If you informed the second practitioner of the failed first vasectomy (they'd have seen the scars anyway), then not performing the cauterisation step is pretty well down the road to malpractice. Normally, I'm not one for promoting "sue the doctor" at any event, but in this case it does strike me as being a pretty basic failure.

    In the UK, using the [cut, remove cm-length, cauterise] protocol, spontaneous reconnection rates are under 1%, which would suggest you're a 1-in-10,000 event. If your practitioners are using a proven protocol, and doing it properly.

  14. Re:Extremely interesting... on Sperm Counts Among Western Men Have Halved In Last 40 Years, Says Study (theguardian.com) · · Score: 1

    "A genre or character in art or literature that features a female that has all feminine attributes except that she has a penis. This can include her having a vagina, .." Most likely NSFW, but otherwise it's just the well-known "shemale" trope. You can find adverts for this in your local newspaper - look for the keyword "operation".

  15. I don't know. Frottage rubs me up the wrong way.

  16. Re:Sitting: it's bad for your nuts, too... on Sperm Counts Among Western Men Have Halved In Last 40 Years, Says Study (theguardian.com) · · Score: 1

    Scots only started wearing kilts (as ceremonial garb) in around 1820 (Georgy-Porgy's visit to Edinburgh), and few wear them as day-to-day garb today. Before then, they'd often wind the pleid mhor around the legs to form a loose pair of "trews", or as would be described elsewhere, loincloths. By the way, "Braveheart" was stirring uplifting bullshit.

  17. The word you're looking for is "plasticisers", not "plastics". Plastics are, by definition, large, polymeric molecules which are essentially immobile under physiological conditions. "Plasticisers" on the other hand are small mobile molecules which disrupt the adhesion between polymer chains (not limited to cross-linking, though that is something you want to control too), making the bulk mixture more flexible and elastic. (Sometimes plasticity is desired, but more often elasticity.) Plasticiser molecules are far more mobile under physiologically relevant conditions than plastic polymers. Just to confuse the matter (not that plastics chemistry isn't already the subject of dozens of journals and hundreds of thousands of published papers - and the proprietory work within companies), some monomers which have not polymerised into the bulk plastic act as plasticisers - and also remain mobile.

  18. When did "women won't have sex with me" turn into "women hate all men".

    At about the 3rd or 4th rejection.

  19. Re:Lawyers! My kingdom for Lawyers! And a horse! on Fact-checking and Rumor-dispelling Site Snopes.com Held Hostage By vendor (savesnopes.com) · · Score: 1

    Considering the outrage with which the American fraction of Slashdot greeted the idea of Norway publishing their citizen's salary and tax details, then I'd expect that in America, it is illegal to publish the contents of a contract without the consent of al involved parties. I am, of course, assuming that Snopes is an American organisation - which is an impression I got last time I used it, years ago.

  20. Re:2001? on Norway, the Country Where No Salaries Are Secret (bbc.com) · · Score: 1

    Would you want a future employer to know your current salary and assets?

    In Norway, you don't have that option, and you haven't had it for some considerable time.

    To put that into context, the majority of people I know who live, earn and work in Norway are not happy about losing their jobs, income and careers when Britain leaves the EU. Some are trying to marry local boys/ girls/ whatevers ; some are looking to try to get citizenships and some are looking at retirement.

  21. Re:Millenial attention span, in general.. on Millennials Only Have a 5 To 6 Second Attention Span For Ads (cnbc.com) · · Score: 1

    Youtube will force 5 seconds of ad viewing before showing you the video.

    Does it? The large majority of youtube links won't play for me - something to do with my ad-blocker and/ or NoScript. It's not something I've wasted time trying to figure out.

    Since YT is one of the larger delivery platforms for ads

    Is it? That may be why most content linked to on youtube doesn't work. Oh well, youtube's loss.

  22. Re:Germans get all the best fetish parties... on Ask Slashdot: What Are Some Developer Secrets That Could Sink Your Business? · · Score: 1

    Even if you're on tiny US gallons, what are you going to do with the remaining 1 to 8 days of your production schedule?

  23. But when two of Facebook's AI bots negotiated with each other "There was no reward to sticking to English language," says Dhruv Batra,

    Well, in general there isn't. The only time that sticking to English has a reward is when one or more people (entities) in the conversation only understands English, and even then it's dependent on whether or not the poor monoglot is likely to have something valuable to contribute.

    OK, if there's an American in the group (or most Britons too), then the likelihood is that there is such a handicapped person in the group. Sorry, not "handicapped", "differently abled". And the "differently abled" person is the American (or Briton). But the question remains if they have a valuable contribution to make.

    Where's that mad Icelander with his "it's crazy that I can't type a thorn here" when you need him?

  24. They are the equivalent of construction workers who unearth archaeologically interesting materials. They, too, hate it when they find anything that slows them down from ripping in and building whatever they're being paid to build.

    Which is why the norm is to require the archaelogical site investigation to be done by a specialist contractor BEFORE the main site-clearance and construction contracts start. Typically 10% contingency is required for archaeology.

    But that's my country, not America.

  25. Re:Pearl clutch! Pearl clutch! on Vaccines May Soon Be Mandatory For Children In France (theverge.com) · · Score: 1

    Its definitely genetic.

    Is autism a single disease? It's very much an "SEP" to me ("someone else's problem"), but from the range of symptoms described, and the range of severity in those symptoms, I'd be very surprised if it is one single cause and effect situation.