The quiet community of Ngodini, just outside Nelspruit in Mpumalanga, South Africa, woke up to heartbreaking news that left neighbours and relatives in disbelief. Twelve-year-old Ayanda had always been the responsible one. As the eldest of three children, she helped her mother care for her younger siblings, eight-year-old Sipho and four-year-old Amahle. Their mother, Nomsa, worked hard to provide for them, often reminding her children that no matter how difficult life became, they should always love and protect one another. One cold winter morning, the children woke up as usual. Ayanda prepared breakfast while waiting for their mother to get up for work. Minutes turned into an hour, but Nomsa never came out of her bedroom. Ayanda gently knocked on the door. "Mama?" she called softly. There was no answer. She knocked again, louder this time. "Mama, it's morning. You have to wake up." Still, there was only silence. Growing worried, Ayanda tried opening the door. H...
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Watch how Tesla Solar Roof automatically makes snow slide right off
A new video shows how Tesla Solar Roof automatically makes snow slide right off it to be able to keep producing electricity.
Tesla Solar Roof
Solar Roof is Tesla’s solution to deploy solar power on brand-new houses or houses that are in need of a new roof.
Homeowners that are soon going to need a new roof generally don’t want to install rooftop solar panels since they are going to need to be removed during roof replacement.
To remedy the situation, Tesla designed glass roof tiles with embedded solar cells resulting in a roofing product that is long-lasting and produces electricity.
After a few delays to test the product for longevity, reduce cost, and improve installation times, Tesla has started to ramp up installations of the solar roof in the last year.
Early installations were in markets like California and Florida where snow is rare, but now that installations are ramping up, we see more of them up north where snow is going to be a common occurrence on those solar roofs.
People have some misconceptions about solar in colder climates, like that it only has value in places that get a lot of sun.
Solar power systems indeed produce more energy in regions that get more sun, but they also work well in less sunny places.
They even produce some energy in very cloudy weather as photons from the sun will still get through, but if your solar power system is covered in snow, it will not generate energy.
But that doesn’t mean that rooftop solar installations are not useful in the winter.
Solar panels produce some heat that can help snow melt or slide off the roof faster by creating a layer of water to help gravity after an accumulation from a snowstorm.
While it’s true of solar panels, it’s also true for Tesla’s solar roof tiles, which makes it interesting since, unlike solar panels, they cover the entire roof.
Now we see an interesting early example of it.
Jason Lassen, a new Tesla Solar Roof owner in Wisconsin, shared video of his roof during and after a snowstorm:
As you can see, while the snow accumulated briefly, it slid off the Tesla solar roof while neighboring houses still had snow-covered roofs.
Interestingly, it quite uniformly slid off the roof despite the fact that some of the tiles have solar cells embedded in them and some don’t.
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