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The solar panel powered a flashing light that highlighted the sign at night. Some versions had a ring of xmas lights around the edge of the sign.
Is this a good thing? Sort of. It certainly increases traffic safety and doesn't add stress to a fragile electric grid. It also supports the idea of safety through increasing technology instead of common sense (slow down so you have enough time to see properly and stop). It doesn't reduce fossil fuel consumption but increases consumption in manufacture of many small units instead of building larger efficient units that might actually feed into the grid.
I guess what I'd like to see is a lowering of speed limits, traffic calming measures, and bigger solar panels that would actually feed into the grid providing distributed electricity generation.
Solano County, SPG Solar, photovoltaic solar installation.
California commercial, industrial, solar power, spgsolar.com,
YCAN hosted a talk by Beyond Zero Emissions on their cutting-edge Zero Carbon Australia Stationary Energy Plan.
This plan shows how 100% renewable energy is possible by 2020, using only currently commercialised technology.
see: www.beyondzeroemissions.org for more information
Bold Nebraska and Pipeline Fighters installed solar panels in the path of the proposed Keystone XL pipeline, on Diana and "Stix" Steskal's Prairierose Farm near Atkinson, NE on Saturday, Sept. 16.
Donate $25 now to put solar in the path of KXL: bit.ly/solarxl
This second Solar XL project installation follows the first solar panels that were installed on the farm of Jim and Chris Carlson on the KXL pipeline route. Details for the 3rd Solar XL installation site announced soon!
The families partnered with Solar XL project sponsors Bold Nebraska, 350.org, Indigenous Environmental Network, CREDO, and Oil Change International to put renewable energy directly in the pipeline’s path. Solar XL underscores the need to center solutions to climate change while rejecting the Keystone XL pipeline and resisting the expansion of the fossil fuel industry.
DETAILS: boldnebraska.org/solarxl
Photos: Alex Matzke / Bold Nebraska
ACT LOCALLY TO SOLVE THE CLIMATE CRISIS - Seminary Student Rosina Pohlmann
© Erik Mc Gregor - erikrivas@hotmail.com - 917-225-8963
Bold Nebraska and Pipeline Fighters installed solar panels in the path of the proposed Keystone XL pipeline, on Diana and "Stix" Steskal's Prairierose Farm near Atkinson, NE on Saturday, Sept. 16.
Donate $25 now to put solar in the path of KXL: bit.ly/solarxl
This second Solar XL project installation follows the first solar panels that were installed on the farm of Jim and Chris Carlson on the KXL pipeline route. Details for the 3rd Solar XL installation site announced soon!
The families partnered with Solar XL project sponsors Bold Nebraska, 350.org, Indigenous Environmental Network, CREDO, and Oil Change International to put renewable energy directly in the pipeline’s path. Solar XL underscores the need to center solutions to climate change while rejecting the Keystone XL pipeline and resisting the expansion of the fossil fuel industry.
DETAILS: boldnebraska.org/solarxl
Photos: Alex Matzke / Bold Nebraska
Xiaozhou Che, EECS Graduate Research Assistant, holds an organic tandem photovoltaic cell in the EECS Building on April 20, 2018.
The photovoltaic has reached record efficiency of 15% and is designed by Peter A Franken Distinguished University Professor of Engineering, Paul G Goebel Professor of Engineering, Professor of Electrical Engineering and Computer Science Stephen Forrest's research group.
Photo: Joseph Xu, Michigan Engineering Communications & Marketing
Row upon row upon row of solar energy collection panels at the Cotton Center Solar Plant at Cotton Center, Arizona (northeast of Gila Bend on Old US 80). This was one of about four solar facilities I saw in this area. Photographed through a chain-link fence.
"We are star stuff harvesting star light. Our lives, our past and our future are tied to the sun, the moon and the stars. [We are]...star stuff contemplating the stars, organized collections of ten billion, billion, billion atoms, contemplating the evolution of nature, tracing that long path by which it arrived at consciousness here on the planet earth, and perhaps throughout the cosmos."
~ Carl Sagan, "The Cosmos"
gear up solar car for US challenge, In this Gregorian calendar month thirty, 2014 photo, Qazvin Azad University students assemble the Havin-2, or sensible Sun, for a take a look at drive in Qazvin, Iran. a gaggle of Iranian students and their academics all set for a summer road trip through the...
www.usacarfox.com/2014/05/introduce-gear-up-solar-car-for...
Lake Cayuga as viewed from the Ithaca College Campus always turns an impossible shade of blue on a sunny day. Here you can also see a solar trailer, part of the Ithaca College Solar Energy Project
Guess they missed some stuff. This is just messed up
Lumanhaus self sustaining and fully self reliant home built buy Virginia Tech
this is the view from my office in nashville. all winter i've been watching these folks install solar photovoltaic cells on their roof. apparently they are the first company to utilize grants from the state to do such a thing. pretty neat!
Far Niente Winery, Floatovoltaics, SPG Solar, photovoltaic solar installation.
commercial, industrial, solar power, spgsolar.com,
Poles along the length of the SolarWalk are topped with unique, hand-made pole toppers. Each topper is fitted with an LED light inside the colored bulb.
The circuit diagram for the solar-powered night light I made recently. Thanks to www.evilmadscientist.com et. al.
Some notes about the components.
D1 is a generic signal diode, which prevents the capacitor from discharging through the solar cell. I use some re-cycled parts in my projects - this came from a faulty power supply.
T1 is a PNP transistor, the type isn't critical. They are less common than the NPN types.
The 100R resistor limits the current to the joule thief.
T2 is an NPN type transistor, again it is not critical which you use. I've found most compact fluorescent lamps have at least one NPN transistor which can be harvested after the lamp fails.
The inductor needs to be hand-made, the ferrite ring also came from an old CFL.
D2 is a white LED.
{Solar Hot Water} Carringon Middle School, located in Durham North Carolina, houses over 1000 students from grades 6-8. The 8-panel solar hot water system was designed with the school’s cafeteria as its central focus. The cafeteria is the campus’s main source for hot water use, rolling out thousands of meals a week. Our structure now supplements their demand with water that has been heated by the sun, and stored for on-demand use in the cafeteria kitchen. BRE’s solar thermal structure is expected to save the equivalent of about 400,000 gallons of natural gas in 2010, as well as reduce over 8,500
A nice fresh installation at home.. This will keep the thumbscrews on the power bills :))
I still cant get over watching the electric meter not moving at all, while we have 2 computers, a washing macine, etc running in the house.. I really should know better, being an electrical engineer, but it still looks magic ;))