29 September 2015
Reusable sanitary pads and Mooncups - updated
From an article in The Telegraph:
I’m holding a soft piece of fleecy fabric, mottled dark purple with poppers at the bottom.
"This is the minky,” says Heather Finlay. “You can see how soft it is.”
She’s right. It’s so comforting and tactile I want to rub it against my face. But actually, it’s for the other end of my body.
Welcome to the world of the cloth sanitary pad – or CSP. Cloth pads, as the name suggests, are manufactured from natural, absorbent fabrics such as cotton and bamboo. More significantly, they are washable - and therefore reusable.
Most are brightly patterned, to keep staining to a minimum. Once worn, they are simply rinsed in cold water, and then popped in the wash ready for next time...
Caring for young children removes any squeamishness around bodily functions. Having dealt with the torrent of poo, wee and vomit that is a new born, a bit of menstrual blood doesn’t seem so bad.
And the perks are numerous. The environmental benefits speak for themselves - then there’s the cost. No tampon tax for starters. “Surveys estimate that menstruating costs women around £18,000 over their lifetime,” says Finlay. “Switching to reusables you can save around £8,400”.More at the link. There is a separate Telegraph article for those interested in Mooncups.
A tip of the blogging hat to reader -T, who offered this comment:
One of my girlfriends and her aunt make these for girls in developing countries that have to miss school due to their periods. Here is the site to do this if anyone is interested.From -T's link:
Lack of access to menstrual products affects millions of girls in the developing world. As many as 10% of school-aged girls miss school because of it. The effect of these missed days is devastating, with girls missing up to 20% of their education, thereby increasing the likelihood of dropping out, earlier marriage and pregnancy as well as limiting career options.Also see the other relevant comments in the section below.
The solution is simple: provide school girls with washable menstrual pads and underwear that will last for years. Providing reusable products means the burden of purchasing products each month is removed and the environmental devastation that hundreds of thousands of disposable pads would have on the landscape is alleviated. The case for girl's education is well documented as one of the most important tools for development. We believe that no one should have to miss out on opportunities that will affect their future, simply because they have a period.
Since its inception, in partnership with dozens of groups, individuals, and NGOs, Lunapads has helped provide over 14,000 girls and women in 17 nations with over 85,000 menstrual pads and/or menstrual underwear, giving them an immediate, essential and sustainable means to remain in school or at work.
28 September 2015
Pioneers
Several days ago I went for a "butterfly hike" in a rural part of south-central Wisconsin. Nearby was a very old but well-tended graveyard, where my attention was drawn to several of the monuments.
The one at top, Henry Teel, was born in 1787. Prescott T. Brigham, in the bottom photo, was born in 1780.
They died in 1856 and 1862, respectively. Wisconsin had only become a state in 1848.
I returned to my butterflying, but while hiking did a lot of thinking about what their lives must have been like.
"Library dustbin"
"A student empties a trash can next to a murky stream near a school in Kenya’s Kibera slums in Nairobi."
Noor Khamis/Reuters, via The Washington Post.
Should America be "more like Switzerland" ??
Addendum:"Switzerland’s high rate of gun ownership is tied to the fact that it does not have a standing army so virtually every male citizen is conscripted into the militia where they receive comprehensive weapons training. Since they are a militia, they keep their government issued weapons (without ammunition) at home. Therefore, many of the guns in Swiss homes were issued to them by the government and most Swiss gun owners are highly trained in gun safety...
And with a law worthy of Orwell’s worst nightmare, every gun in Switzerland is registered by the
government...
Unless those two laughing women on the bicycles are transporting those weapons to a gun show or are members of the militia reporting for duty (in which cases the guns must not be loaded) or they are security personnel licensed to guard Roger Federer, they are probably breaking the law. “Open carry,” as we understand it in the United States, is only allowed in those very limited circumstances...
You can see that the Swiss militia inculcates the idea of gun ownership as a responsibility to protect the nation while to the American gun proliferation advocates, the reason for the 2nd Amendment is to protect the citizens from the government."
A tip of the blogging hat to reader Dominique, who forwarded me an article reporting that Switzerland has the highest rate of gun-related suicide in Europe:
“In Switzerland, firearms are like pesticides in developing countries. They are accessible,” Ajdacic-Gross explained. “Many suicides are impulsive. In other words, the decision is taken very quickly.”
At such moments, availability – or a lack of it – is crucial. “If somebody has to make a lot of effort to find something that will kill them, that’s a strong preventative factor.”
Remember when "America was great" ?
An article in The Atlantic reminds us of conditions in the 1950s...
Everyone agrees that the midcentury boom times began after Allied soldiers returned in triumph from World War II...And those economic conditions were achieved in a period of strong labor unions, high taxes, and Big Government...
In 1950, America led the world in GDP per capita. Even by 1973, it had only sunk to number two. Jobs were so plentiful that male employment peaked at over 84 percent. Unemployment, when it did strike, didn’t last long. Housing was cheap. Gas was cheap. Movies were cheap. If America was ever “great,” it was great in 1950, and one can sympathize with a desire to recreate those economic conditions, if not the social ones.
24 September 2015
The 3n+1 conjecture
Take any whole positive number.
If it is an even number, divide it by 2.
If it is an odd number, multiply it by 3 and add 1.
Repeat whichever above step applies, over and over again.
The end result will always be the number 1.
For example: 7, 22, 11, 34, 17, 52, 26, 13, 40, 20, 10, 5, 16, 8, 4, 2, 1.
The graph at the top shows the resulting sequence generated when starting with the number 27, with these intermediate steps:
27, 82, 41, 124, 62, 31, 94, 47, 142, 71, 214, 107, 322, 161, 484, 242, 121, 364, 182, 91, 274, 137, 412, 206, 103, 310, 155, 466, 233, 700, 350, 175, 526, 263, 790, 395, 1186, 593, 1780, 890, 445, 1336, 668, 334, 167, 502, 251, 754, 377, 1132, 566, 283, 850, 425, 1276, 638, 319, 958, 479, 1438, 719, 2158, 1079, 3238, 1619, 4858, 2429, 7288, 3644, 1822, 911, 2734, 1367, 4102, 2051, 6154, 3077, 9232, 4616, 2308, 1154, 577, 1732, 866, 433, 1300, 650, 325, 976, 488, 244, 122, 61, 184, 92, 46, 23, 70, 35, 106, 53, 160, 80, 40, 20, 10, 5, 16, 8, 4, 2, 1
Nobody understand why this happens. The conjecture has been checked by computer for all starting values up to 264. More at the Wikipedia entry.
A sign of our times...
This circular was distributed in our neighborhood yesterday.
When I was his age, a baseball could only go as far as you could hit it, and if you lost a Frisbee, you knew which neighbor's roof it was on.
23 September 2015
Honoring The Presurfer and Everlasting Blört
All of the items I'm posting today are reposts, and all contain material I originally harvested from either The Presurfer or the Everlasting Blört.
Both Gerald Vlemmings and Madame Jujujive began their ventures on September 24, 2000, so tomorrow marks their 15th blogiversaries. That's a remarkable accomplishment in a cyberworld where the average blog lasts just a few months and a majority of even the best ones only a few years.
For me, blogging has been a learn-as-you-go-along experience, and these two blogs were among my early teachers. Please give them a visit on Thursday to help them celebrate their achievement.
The world's tallest cow
"Blosom," a Holstein in Illinois, was 6'4" from hoof to withers.
Posted in memory of my maternal grandfather, Knut Olaus Finseth, who was president of his local Holstein-Friesian association in Minnesota and who drew maps of his cows' spot patterns in case they wandered from the farm. That wouldn't have been necessary with this remarkable cow.
Via Gerard Vlemmings' classic blog, The Presurfer.
Video of Palestine in 1896
An excerpt from "Palestine: Story of a Land", by Simone Bitton. This footage was taken by the Lumiere brothers in 1896; the voiceover and audio effects are modern additions.
A hat tip to Gerard Vlemmings, who found this and posted it at The Presurfer.
"Pageant child"
The dialogue in this news clip about the "toddlers and tiaras" trend is predictable, banal, and not very informative to the extent that I wound up muting it. But the behavior of the child is interesting. Perhaps she's just a normal five-year-old girl acting up when she sees a camera or monitor. Or maybe she's been in a few too many pageants...
Via Everlasting Blort.
The reasons you have eyelashes
I had always assumed that eyelashes evolved simply to keep particulate matter out of the eyes. Now a study published in the Journal of the Royal Society Interface reports that particulates are only half the story; eyelashes also divert airflow to prevent drying of the eyes.
Through anatomical measurements, we find that 22 species of mammals possess eyelashes of a length one-third the eye width. Wind tunnel experiments confirm that this optimal eyelash length reduces both deposition of airborne particles and evaporation of the tear film by a factor of two. Using scaling theory, we find this optimum arises because of the incoming flow's interactions with both the eye and eyelashes.And this bit from the introduction was an interesting TYWK:
One study found that growth of eyelashes occurs in response to exposure to allergens. Children with allergies have 10% longer and denser lashes than those without allergies. This response arises from allergens triggering mast cells within the inside of the eyelid to release prostaglandins that promote hair growth, which presumably protects the eye.More at the link, with additional discussion at the L.A. Times, via The Presurfer.
Previously on TYWKIWDBI:
Poliosis, and
Elizabeth Taylor's distichiasis (top photo).
Koen Hauser photography



I love photos of libraries. The other two I've included to lure you to the photographer's website, where there is an eclectic mix of photographs.
Via Everlasting Blort, via Presurfer.
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