The 2015 Paris deal targeted a global temperature rise above pre-(large scale) industrial levels (PIL), for this purpose taken as 1850 to 1900, of no more than 2°C and ideally limited to 1.5°C. The Intergovernmental Panel on Climate Change (IPCC) was tasked with producing a report on the impact of a 1.5°C rise and “the… Continue reading IPCC Latest Draft on Global Warming
I thought the days of fully discharging batteries before recharging and worrying about memory effect were over with the advent of lithium-ion batteries. That is until I read a recent report on mybroadband.co.za dispelling the notion that everything was now much simpler. The following summarises the views of some who could be seen as experts. Princeton… Continue reading Smartphone Batteries Charging / Solar Charging
Among my soewhat vain efforts to keep up with modern technology and communications I find myself constantly frustrated by the seeming slow advances in transport. Intercontinental flights appear little better than when I first travelled from UK to South Africa over 40 years ago and my best motoring experience was definitely being given a spin… Continue reading Electric Vehicle Thoughts
I see that at one time on 7 October 2015 Denmark was generating 140% of its local electricity demand from wind turbines enabling it to export to neighbouring countries. The country has a population of only 5.6 million, but a long coastline suitable for offshore generation. The rated capacity of its wind turbines was only 4.8… Continue reading Renewable Energy
There is so much said about this in South Africa and so many vested interests that it can be difficult to make sense of the subject. Complicating this is the fact that generating projects often have long lead times. Some of the factors clouding the issue are: Jacob Zuma appears totally committed to the nuclear… Continue reading Electricity Generation in South Africa
First published 30 March 2016 So SA is projecting to put R64 billion into this long proposed DRC hydroelectric scheme. The project has always sounded appealing – about 26,400m3/sec falling approximately 150 metres, with a potential therefore of around 39GW which I would estimate as roughly Southern Africa’s present total consumption (which is not the… Continue reading Grand Inga Project.