The annual celebration of Earth Day in Santa Barbara is held in a large, beautiful park, with perhaps 100 booths featuring ideas that promote a better planet. Many concern themselves directly with cleantech: water savings, electrical efficiency, EVs, renewable energy …
Tag: Thomas Edison
Saluting Edison on His Big Day (Or At Least One of Them)
Thomas Edison demonstrated his first incandescent light bulb on this date in 1879, a feat noteworthy for several reasons: This success came at the end of an enormous number of experiments whose results were disappointing. When someone suggested that Edison was …
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From 2GreenEnergy Intern Fabio Porcu: Nickel-Iron Batteries
Let us analyze now the accumulator (energy storage device) known as nickel-iron; this type of battery was invented by Thomas Edison and is composed of a positive electrode of nickel oxide and a negative electrode of powder iron. Both materials …
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Many of Our Energy-Related Technologies Are Quite Old
One of the real opportunities for our energy future lies in the fact that many of the technologies that consume huge amounts of energy are truly ancient. I often remark how strange it is that if Thomas Edison were around …
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PBS’s “Electric Nation”
The PBS special “Electric Nation” is a reasonably fair-minded and certainly non-hysterical treatment of the various modes of how we in the U.S. generate electricity. Personally, had I written the show, I would have been quite a bit more hysterical, …
Edison Predicted Cheap Energy
132 years ago today, Thomas Edison first demonstrated his incandescent lightbulb and told spectators: “We will make electricity so cheap that only the rich will burn candles.” Not a bad prediction, when you think about it. Few people grouse about …
Tagged with: alternative energy, cheap energy, clean energy, green energy, Renewable Energy, Thomas Edison
130 Years After Edison and Tesla — Some Progress in Electric Motors
[youtube http://www.youtube.com/watch?v=IJuSNOQX4Ng&w=420&h=315] It’s been 130 years since Edison and Tesla did their thing in the late 19th Century, putting the theoretical work of Michael Faraday and James Clerk Maxwell to practical use. No offense to those who’ve made contributions during …
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Tagged with: AC induction motors, DC brushless motors, electric motors, Nicola Tesla, Thomas Edison, video
Energy-Related Paradigm Shifts
I’m pleased to see that blogger Frank Eggers has become active here, who writes: As one of the comment-posters stated, too little attention is being given to reducing the need for driving . . . With better urban planning, people …
