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On Saturday we went to San Francisco to watch the history Solar Impulse solar aircraft fly over the Golden Gate Bridge. We had a nice picnic a Crissy Field. I took this shot of Alcatraz with a tele-zoom lens.
I processed a balanced and a paintery HDR photo from a RAW exposure, selectively merged them, and carefully pulled the curves to make the scene pop.
-- © Peter Thoeny, CC BY-NC-SA 4.0, HDR, 1 RAW exposure, NEX-6, _DSC6027_hdr1bal1pai1g
With Solar Cells on the Roof...
In Augsburg-Inningen
Inningen was an agriculture-based community until the 2nd World War. After the war, the village developed into a preferred residential area near the city of Augsburg, which eventually annexed it in 1972.
Top:
Peter Weibel
Die Erdkugel als Koffer, 2004 [The Globe as a Suitcase]
www.museum-joanneum.at/en/austrian-sculpture-park/sculptu...
Bottom:
Judith Fegerl
sunset, 2021
www.museum-joanneum.at/en/austrian-sculpture-park/sculptu...
The Past on the Edge of the Future - A modest, mid-century, country home decays on the edge of a solar farm and a soybean field in Hertford, NC, USA.
With solar cells on your roof you are not dependent on any other country!
Export of locally produced electricity that you don't need yourself during sunny days and purchase of electricity from the grid at other times.
"Put on your Sunday clothes, there's lots of world out there ..."
(' WALL-E' by Thinkway Toys)
Diorama by RK
Kennispoort by night, seen from the Technical University EIndhoven.
In front the floating eggs with solarpanels, part of the artwork SOH19 (Alex Vermeulen / Van der Waals).
The startrails are the result of 96 shots, each 15 second exposure time (total: 24min) @ ISO1000, f/5,6
The overal image looks too chaotic due to lack of composition... But even in the center of a (big) city, startrails are possible :-)
The tall building called "Fyrtornet" ("The Lighthouse"), is Sweden's tallest wooden office building. The glass facade to the left is partly windows and partly solar cells (the small black squares).
The block "Embassy of Sharing" is situated next to the railway station in Hyllie, a part of Malmö city. The block consists of seven buildings with different content, some of them are under construction. In the block there will be, among other things, nearly 300 homes, offices, bazaars, startup environments, a library, a bicycle café and small industries.
"Embassy of Sharing" was the winning proposal in an architectural competition. It is designed by Wingårdhs Arkitekter and built by Granitor.
www.wingardhs.se/freshest/fyrtornet (website mostly in Swedish)
The towers in the background are the Palo Verde Generating Station, largest power plant in the United States by net generation. In the foreground is a solar farm, another producer of electricity with no CO2 emoission
Solar cells for space are typically grown on slices of germanium metal. An ESA General Support Technology Programme (GSTP) project looked into being able to remove and recycle this rare, expensive metal, resulting in much thinner and cheaper solar cells for missions.
The activity tested a method where the surface of the Germanium substrate is treated so that a cavity is introduced just below it. Once a solar cell is grown on the Ge surface, this 0.001 mm thick gap, or cavity, allows everything above it to be removed, leaving just a very thin layer of germanium still attached to the cell – around 10 micrometres thick instead of the previous 150.
This huge saving of weight and volume of a rare material will result in major cost savings, especially when multiplied across the roughly 10 000 solar cells needed for each satellite mission.
For more than a quarter of a century ESA’s optional GSTP has been preparing promising technologies for space and the open market. Read our GSTP Annual Report for 2019 to learn more about programme activities.
Credits: ESA
A macro shot of small solar cells on my pocket calculator. I guess that the dust gives a feeling for the size of the visible part of the solar cells.
Captured with my iPhone 8 and the "Black Eye" macro lens.
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These four solar cell lanterns are hanging in my greenhouse. I haven't seen if they work yet because I haven't been on my allotment after dark so far.
You can see them in the background in this picture. (The previous owner used the green house as her kitchen so there isn't many plants in it. I do have two tomato plants and one chili, though)
Here is my capstone team posing in what is supposed to be a propaganda like pose in front of their project. They had the assignment to build a tracking solar system on top of a trailer for the BYU archeology department. I had wanted this picture to be with them facing the rising sun but the weather did not cooperate and they are only facing rising clouds where the sun should be.
For more of my creative projects, visit my short stories website: 500ironicstories.com
The frame and the walls are made of wood - a climate-positive building that stores carbon dioxide. It's a super insulated passive house. On the roof there are solar cells. 41 apartments in two buildings in a tenant-owners' society called "Brf Notuddsparken". On the ground floor there is a room for parking and washing of bicycles. The tenants have two electric transport bikes and two electric cars they share. Those two cars have parking places next to the two buildings - other cars have to use the multistory car park at the entrance to the neighborhood. The buildings will be environmentally classified.
Built: 2021. Builder: Bright Living AB, Alingsås. Architects: OkiDoki.
notuddsparken.se (website in Swedish)
We were on our way to Vegas airport. We were traveling with the kid and we had some emergency so we have stop over on the freeway.
It was very famed strait road of the desert in USA, It was very diverse for me as I am leaving hilly region.
Also there was huge solar farm on the left side and luckily it was about to sunset to so there was perfect light.
So I could not hold up my self from capturing the moment.
The black squares are parts in a photovoltaic system (solar cells) that produces electricity and yet you have enough light for the plants inside the greenhouse. The solar cells in the roof can convert more energy when the sun is high in the sky, the solar cells in the wall convert more when the sun is low. In cloudy conditions they convert less. Building-integrated photovoltaics (BIPV) will increasingly influence our built environment, roofs, walls, windows and so on.
en.m.wikipedia.org/wiki/Building-integrated_photovoltaics
One of the buildings at the ETC Solar Park in Katrineholm.
etcsolpark.se (website in Swedish)
ESA has backed the creation of this flexible, ultra-thin solar cell to deliver the best power to mass ratio for space missions.
Just about 0.02 mm thick – thinner than a human hair – the prototype solar cells were developed by Azur Space Solar Power in Germany and tf2 in the Netherlands; the cell seen here is from tf2. The project was backed through ESA’s Technology Development Element, investigating novel technologies for space.
Possessing up to 32% ‘end of life’ efficiency, the solar cells were produced using a technique called ‘epitaxial lift-off’, meaning they were peeled off the Germanium substrate layer they were initially laid down on, so the costly material can be reused.
Both triple- and quadruple-junction solar cells were manufactured. This means they consist of three or four different layers of material, optimised to make use of different wavelengths of light making up the solar spectrum.
These thinner-than-paper solar cells could be harnessed for future ESA satellites or else high-altitude pseudo satellites (HAPS) – uncrewed aircraft or balloons to perform satellite-like tasks from the upper atmosphere.
Credits: ESA–SJM Photography