It is six months since the Climate Emergency was declared in the Holme Valley and the variation in temperature I have experienced in this time has been wide – in excess of a 30oC range. [more…]
Or : Multiplying by . The beginning of complex numbers is often attributed to Cardano (1501 – 1576). Complex numbers provide a solution to the equation . They are an extension of the number system [more…]
The fourth meeting of the Holme Valley Parish Council Climate Emergency Steering Group [HVPCCESG] took place on 10/7/19. Unfortunately I was unable to attend this rearranged meeting and sent my apologies. Interesting facts: Carbon dioxide [more…]
Some Interesting facts: Carbon Dioxide is a trace gas and currently accounts for approximately 405ppm (parts per million) or approx. 0.04% of the earth’s atmosphere. 200 years ago in 1820, it is estimated (ice core [more…]
Diophantus of Alexandria wrote a collection of books called Arithmetica in the 3rd century AD. He noted that natural numbers of the form cannot be expressed as the sum of two square numbers. He also [more…]
Retirement, as I’ve mentioned previously, takes some getting used to, especially when you’ve become accustomed to a kind of semi-formalised regimen that has developed over the best part of 50 years. Although not without things [more…]
The third meeting of the Holme Valley Parish Council Climate Emergency Steering Group [HVPCCESG] took place on 18/6/19. Interesting facts: On researching the relative merits of solar power and nuclear power with respect to waste [more…]
Despite the title the first bit if this article is true for much of England north of Litchfield, excluding the Lake District, which has its own geology. If you are unsure of place names mentioned, [more…]
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