New method for solar cells.
New solar cells could lead to improved light-emitting diodes, lasers and sensors.
Mercouri G. Kanatzidis.
Continue reading “Flipping Crystals Improves Solar-Cell Performance” »
Artificial intelligence (AI) technologies offer great promise for creating new and innovative products, growing the economy, and advancing national priorities in areas such as education, mental and physical health, addressing climate change, and more. Like any transformative technology, however, AI carries risks and presents complex policy challenges along a number of different fronts. The Office of Science and Technology Policy (OSTP) is interested in developing a view of AI across all sectors for the purpose of recommending directions for research and determining challenges and opportunities in this field. The views of the American people, including stakeholders such as consumers, academic and industry researchers, private companies, and charitable foundations, are important to inform an understanding of current and future needs for AI in diverse fields. The purpose of this RFI is to solicit feedback on overarching questions in AI, including AI research and the tools, technologies, and training that are needed to answer these questions.
In just a few years, we could see an electric car on the market that doesn’t need a charging station to ‘fuel up.’
The biggest apparent stumbling blocks for electric vehicles (EVs) seems to be their range — the distance that can be driven between charging — and the time it takes for an EV battery to be charged. When competing against gas cars, which can be filled up in just a few minutes, and can cover a range of several hundred miles per tank, the idea of having a limited range and a longer ‘fueling’ time with an EV isn’t one that most of us are comfortable with. And when considering the easy availability of fuel from the vast number of gas stations (as opposed to the EV charging stations that are few and far between in most areas), switching from gas to electric mobility is a bit of a stretch for many people (not even taking into account the higher cost for EVs).
However, as costs go down, and as EV ranges increase (along with the growing numbers of dedicated EV charging stations), electric transport options will start to become more and more desirable (especially in times of rising gas prices), but will still most likely need to be tethered to charging points, unless the next generation of electric cars follows in the footsteps of one Chinese company.
Continue reading “Hanergy’s solar-powered electric cars can charge themselves while driving” »
Space and technology have collided in a recent design challenge hosted by Star Trek and NASA. Future Engineers has once again called upon students to push their creative boundaries. Since February 2016, they have been working hard to engineer 3D printable design concepts aimed at food sustainability in space. More than 400 students from 30 US states created amazing solutions that would aid astronauts in harvesting, preparing, eating and disposing of food while on long-duration space missions. A panel of judges from NASA, the American Society of Mechanical Engineers (ASME) Foundation, and Made In Space, Inc. selected Kyle Corrette from Phoenix, Arizona and Sreyash Sola from Asburn, Virginia as winners of their respective Teen Group and Junior Group. Judges also selected three finalists from each group, who were each awarded a MakerBot Replicator Mini Compact 3D printer for their school and a PancakeBot for their household. Winners Corrette and Sola received a grand prize trip to New York City for a private viewing of the Space Shuttle Enterprise with astronaut Mike Massimino at the Intrepid Sea, Air and Space Museum, as well as a VIP tour of MakerBot’s headquarters in Brooklyn, New York.
Read more about each finalist’s innovative design concept below:
It would be interesting to see how this could be used in solar panels that can adjust themselves to capture the best/ high quality sun rays;
Written by AZoM
A team of researchers from Eindhoven University of Technology (TU/e) and Humboldt University in Berlin showcased a thin layer of plastic material in the Nature Communications journal, which has the capacity to move spontaneously under the influence of daylight. The researchers feel that this flexible plastic is appropriate as a self-cleaning surface, for example it can be used in solar cells.
Continue reading “Innovative Plastic Material has Ability to Move Spontaneously in Visible Light” »
A huge vertical farm—where crops are planted, grown, and harvested all with neither sun nor soil—is being built in New Jersey. When it’s finished, it will be the largest one in the world.
You can see one of the (smaller) existing factories from AeroFarm, on which the new one will be modeled, above in this video from Seeker Stories. Nothing they are doing or planning is really new—people have been growing vegetables indoors under LED lights, minus the soil, for a very long time now. Even the factory spin is nothing new. Japan’s Mirai factory has been doing something similar on a slightly smaller scale for years now. What is interesting here, though, is just how big this place is.
Scientists from the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) have discovered a possible secret to dramatically boosting the efficiency of perovskite solar cells hidden in the nanoscale peaks and valleys of the crystalline material.
Solar cells made from compounds that have the crystal structure of the mineral perovskite have captured scientists’ imaginations. They’re inexpensive and easy to fabricate, like organic solar cells. Even more intriguing, the efficiency at which perovskite solar cells convert photons to electricity has increased more rapidly than any other material to date, starting at three percent in 2009 — when researchers first began exploring the material’s photovoltaic capabilities — to 22 percent today. This is in the ballpark of the efficiency of silicon solar cells.
Now, as reported online July 4, 2016 in the journal Nature Energy, a team of scientists from the Molecular Foundry and the Joint Center for Artificial Photosynthesis, both at Berkeley Lab, found a surprising characteristic of a perovskite solar cell that could be exploited for even higher efficiencies, possibly up to 31 percent.
Joshua Brown, 40, believed in the power of engineering. He was a former Navy SEAL, a technology consultant, and a Tesla fan. He had posted YouTube videos of himself driving a Tesla Model S on autopilot, taking his hands off the wheel to show how the car could avoid a collision on its own. He had nicknamed his car “Tessy.”
The driver of a Tesla car died in Florida in May after colliding with a lorry.
Under scrutiny is Tesla’s Autopilot feature, which automatically changes lanes and reacts to traffic.
In a statement, Tesla said it appeared the Model S car was unable to recognise “the white side of the tractor trailer against a brightly lit sky” that had driven across the car’s path.
Continue reading “US opens investigation into Tesla after fatal crash” »
