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Archive for the ‘sustainability’ category: Page 5

Dec 5, 2022

A “forest bubble” on Mars? Scientist proposes ambitious plan for sending wildlife to Mars

Posted by in categories: Elon Musk, space travel, sustainability

The ambitious proposal could help realize Elon Musk’s vision of SpaceX’s Starship as a “futuristic Noah’s Ark”.

A botanist and ecologist has crafted a detailed proposal for a flourishing green space on the barren, desolate surface of Mars, a report from CNET

Dreaming of an Earth-like environment on Mars.

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Dec 5, 2022

Elon Musk JUST REVEALED His NEW Secret Weapon That Will CHANGE EVERYTHING!

Posted by in categories: Elon Musk, internet, space, supercomputing, sustainability

Elon musk JUST REVEALED powerful dojo supercomputer that tripped the power grid!

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Dec 4, 2022

Sorry hydrogen, electric cars have already won — here’s why

Posted by in categories: sustainability, transportation

Hydrogen fuel cell cars emerged as an alternative to both the electric and combustion engine vehicle in the early 2000s. They were widely considered an avenue toward universal green motoring.

Dec 4, 2022

Researchers use machine learning to accelerate computational study of perovskite alloy materials

Posted by in categories: robotics/AI, solar power, sustainability

Researchers in the CEST group have published a study demonstrating the effectiveness of machine learning methods to identify suitable perovskite solar cell materials. Perovskite solar cells are a novel technology gathering a lot of interest due to their high efficiency and potential for radically lower manufacturing costs when compared to the traditional silicon-based solar cells.

Despite their promising qualities, the commercialization of has been held back by their fast degradation under environmental stresses, such as heat and moisture. They also contain that can negatively impact the environment. The search for new perovskite materials that do not have these problems is ongoing, but the established experimental and computational research methods have not been able to handle the high number of material candidates that need to be tried and tested.

CEST members Jarno Laakso and Patrick Rinke, with from University of Turku and China, developed new machine learning-based methodology for rapidly predicting perovskite properties. This new approach accelerates computations and can be used to study perovskite alloys. These alloy materials contain many candidates for improved solar cell materials, but studying them has been difficult with conventional computational methods.

Dec 3, 2022

Researchers realize perovskite-based phase heterojunction solar cells

Posted by in categories: solar power, sustainability

Over the past few decades, engineers and material scientists have created increasingly advanced and efficient solar technologies. Some of these technologies are based on photovoltaics with a so-called heterojunction structure, which entails the integration of two materials with distinct optoelectronic properties.

Researchers at Technische Universität Dresden have recently realized a different type of , referred to as phase heterojunction (PHJ) solar cells. These cells, introduced in a paper published in Nature Energy, were fabricated using two polymorphs (i.e., structural forms) of the same material, the perovskite CsPbI3, instead of two entirely different semiconductors.

“The realization of a PHJ requires the ability to fabricate two different phases of the same perovskite composition on top of each other,” Yana Vaynzof, lead author of the paper, told TechXplore. “While the fabrication of CsPbI3 perovskite by solution-processing is well established in the literature, we needed to develop a method to deposit a perovskite without dissolving the underlying layer, so we decided to use thermal evaporation for this purpose.”

Dec 3, 2022

Mushroom-based substrates create flexible and sustainable electronics

Posted by in categories: physics, sustainability

Fungal mycelium skins can be used as substrates for electronic devices, physicists and materials sci.

Dec 2, 2022

The world’s first solar electric car Lightyear 0 now enters production

Posted by in categories: sustainability, transportation

The facility will produce one car a week, to begin with.

Dutch company Lightyear, which has spent the last six years developing technologies to make the world’s first solar-powered electric vehicle has now entered a very important phase of its lifetime. Its first model, Lightyear 0 has now entered production, a company press release said.

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Dec 2, 2022

Tesla just delivered its first all-electric Semi truck to PepsiCo and said it can cover up to 500 miles on a single charge

Posted by in categories: Elon Musk, sustainability, transportation

Tesla on Thursday delivered its first electric semitrailer truck to PepsiCo, as the electric vehicle maker expands its offerings beyond passenger cars.

Elon Musk, the CEO of Tesla, drove a Semi to the delivery event, which was held at a factory near Reno, Nevada.

Continue reading “Tesla just delivered its first all-electric Semi truck to PepsiCo and said it can cover up to 500 miles on a single charge” »

Nov 30, 2022

NASA awards Texas company to develop structures on the Moon

Posted by in categories: habitats, space, sustainability

The partnership aims at building infrastructures, such as landing pads, habitats, and roads on the lunar surface.

In a quest to find practical solutions to build sustainable structures on the moon, NASA has furthered its partnership with ICON, a construction technologies company based in Austin, Texas. The firm is known for building the first-ever habitable 3D-printed home in the United States in 2018.

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Nov 30, 2022

Engineered nanoparticles can help phytoplankton kidnap the excess CO2 on Earth

Posted by in categories: bioengineering, nanotechnology, sustainability

The solution to our carbon problem is floating in the oceans.

Phytoplankton are microscopic organisms (can be bacteria, algae, or plants) that perform photosynthesis in oceans and eliminate excess carbon dioxide from Earth’s atmosphere. They sequester about 40 percent of the total carbon produced every year globally and, therefore, also play a major role in mitigating global warming.

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