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Flushing toilets using grey water

Flushing toilets using grey water requires some planning and a fair amount of commitment. Enchanting as it sounds, acquiring independence from the municipal water and sewage network is no straightforward task.  There are a host of hoops and hurdles that need to be jumped through and crossed.  […]

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Langelier saturation index for measurement of corrosion

This is Nashua, New Hampshire in 1883.  The town and birth place of Wilfred F. Langelier.  The town was named after an indigenous tribe called the Nashaway.  Nashua is also hometown of the famous photo-copiers, the same copiers that save us money, save time and put us […]

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Flushing toilets using bottled water

Seriously, flushing toilets using bottled water??  How insane is that.   A rhetorical, indignant question/statement/judgement from Bart’s sister, Lisa Simpson. For many years the Coriolis effect was the almost only and very singular reason for watching the flush in a toilet bowl.  They say (Gary Larsen knows who […]

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Gugile Nkwinti

A warm welcome to our new and suitably qualified Minister of Water Affairs and Sanitation, Mr Gugile Nkwinti. Gauging from media accounts, it appears that Mr Nkwinti has inherited a very troubled and financially unstable department. This might be an unfair reflection and let’s hope that the new […]

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Free potable water from the Antarctic

Magnificent ice berg view from the Antarctic.  Once again the peculiar nature of water is revealed.  Two strange properties leap to mind.  When water freezes, it expands. And with expansion comes an increase in volume with no loss in mass.  The extra volume allows the frozen water, […]

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Global warming

Global warming, global warning is hidden in language.  The latin word for a stream is rivus.  The latin name of a person sharing a stream is rivalis.  In the 16th century, the word rival started to acquire a competitive meaning.  The 16th century is the era of queen […]

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Community sanitation, living longer

Community sanitation, living longer

The really big jump in life expectancy started in the 1860’s.  This is off-course a pretty Euro-centric  postulation.  But as is often said, you cannot manage if you don’t measure.  And measuring is a very left brain, scientific pastime.  Community sanitation, living longer.  The observation was not […]

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Koch’s Snowflake

Koch’s Snowflake

Niels von Koch was a Swedish Mathematician.  He is well known for being of the first to describe a fractal curve.  His postulation demonstrated that an area bounded by a progression remains constant, yet the linear length of the boundary tends to infinity. In the picture on the […]

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Running out of water – Part 1

Without much debate, one of the hardest pills to swallow, is having no water with which to flush the loo.  If this should be your lot when the taps run dry, a compost toilet could save the day.  Although a squeamish subject, a dry spot for relief […]

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Enzymes

A simple analogy that is sometimes used to describe the activity of enzymes involves biltong.  Most know that to eat a stick of dried, but not too dry kudu biltong is a laborious process.  It requires some wrenching and a lot of chewing.  Slicing the biltong in […]

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