http://www.iflscience.com/environment/costa-rica-has-been-running-on-100-renewable-electricity-for-76-days-and-counting/ Some countries can run entirely on renevables at least parr of year. →
Have you ever wondered how electrical cables are made in the factory? Here is a series of videos that will tell you how different kind of electrical cables are manufactured. Power Cord manufacturing production line. USB Reversible Cable Production Procedure How Low Voltage Cable is Made | Cat5e | Cat6 | OSP How it’s made →
https://thinkprogress.org/solar-delivers-cheapest-electricity-ever-anywhere-by-any-technology-c2ef759ac33f#.gfb2kclwx Solar power is getting really cheap to use in sunny areas. The biggest challenge is how to make power when it is needed and sun does not shine. →
http://interestingengineering.com/why-the-usa-uses-110v-60-hz-ac-and-other-countries-dont/ This article tells the mainline history of different voltages and frequencies. There were also other frequencies and voltages used on some areas. →
https://www.newscientist.com/article/2101667-blockchain-grid-to-let-neighbours-trade-solar-power-in-australia/#.V8HL5SCVpIM.twitter Raspberry Pi connected to electrical energy meters makes it possible to keep track of power each household uses and produces. →
http://about.bnef.com/blog/liebreich-mccrone-electric-vehicles-not-just-car/ Long writing on how electric cars will affect future of energy business. →
http://www.iflscience.com/environment/king-coal-is-dethroned-in-the-us-and-thats-good-news-for-the-environment/ This has been bad decade for coal industry, because cleaner power sources have become more popular. Less coal use is good for environment. →
Measurement of earth loop impedance and determining the Prospective Fault Current (PFC) are critical for safety and form integral parts of the International Electrotechnical Commission (IEC) guidelines like standard IEC 60364 (and its various national equivalent standards). The prospective short circuit current (PSCC) or available fault current or short circuit making current is the highest →
Design News magazine article claims that Osmotic Power Using Salt Water Is Newest Form of Alternative Energy. According to the article, alternative energies like solar, wind, and hydropower are poised to get some powerful new company, thanks in part to researchers in Switzerland. The power comes through the transfer of salt ions between two types of →
http://motherboard.vice.com/read/how-drones-could-help-hackers-shut-down-power-plants A drone loaded with jamming and hacking equipment can be dangerous to control systems. →