The Wind Lens focuses the power of the wind to the centre of the hoop, intensifying the power in a similar way a magnifying glass does with the sun's rays. With their unique floating hexagonal bases, the Wind Lens might also win over the many detractors of wind turbines who claim they are an ugly blight on the landscape.
Ohya added: "Despite its merits, even if this technology does enter the market in Japan, it may not be easily adopted by other countries, due to differing intensities and directions of wind conditions."
very promising tech if it succesfully increase by 2 to 3 times the amount of energy produced.
The concept behind Ontenna is a device that can allow the user to feel sound through their hair kind of like how cats can sense movement in the air with their whiskers. By translation sounds in the 30dB to 90dB range into 256 different levels of vibration and light, the pattern and quality of sounds can be expressed through light and vibration. Through this, the rhythm, pattern, loudness, and other qualities of sounds can be conveyed to the user.
tweaking the intensity of the device is the real challenge as it appears that everyone has different perception level on various part of the body - yet it can provide very basic feedback such as referee blowibg the whistle... hence the deaflympics target release I guess
Researchers at Georgia Tech have developed the most efficient optical rectenna yet, capable of converting light directly into DC current with no need for cooling.
" Other forms of renewable energy – like solar and wind – require a rather involved, multi-step process before usable energy is available. The rectenna converts light directly to DC current, without the need for cooling, and could also be used to create electricity from waste heat. The device is composed of tiny carbon nanotubes and rectifiers that capture light, which doesn’t have to be from the sun." it is high times for rectifiers these days!
S'ils font l'objet d'un nombre croissant de travaux depuis une dizaine d'années, les micro-supercondensateurs n'ont pas encore trouvé d'applications concrètes. En effet, leur faible densité d'énergie, c'est-à-dire la quantité d'énergie qu'ils peuvent emmagasiner sur un volume ou une surface donnés, ne leur permet pas d'alimenter durablement des capteurs ou des composants électroniques. Des chercheurs de l'équipe Intégration de systèmes de gestion de l'énergie du LAAS-CNRS, en collaboration avec l'Institut national de la recherche scientifique du Québec, ont réussi à lever cette limitation en alliant le meilleur des micro-supercondensateurs et des micro-batteries.
Designer Arturo Vittori says his invention can provide remote villages with more than 25 gallons of clean drinking water per day
The invention from Arturo Vittori, an industrial designer, and his colleague Andreas Vogler doesn't involve complicated gadgetry or feats of engineering, but instead relies on basic elements like shape and material and the ways in which they work together.
The Leafy Green Machine is a 320-square-foot shipping container unit that has been retro-fitted with a high-density vegetable and herb garden on the interior. The Machine’s year-round harvest production is made possible through the use of high-tech tools such as high-efficiency LED lighting, vertical hydroponic growing towers, and an automated climate-control and irrigation system. The hydroponic urban garden is made even more sustainable by the fact that it can grow thousands of plants year round using 90% less water in a fraction of the space of a conventional greenhouse.
great to see some academics say that “Freight Farms will provide students with the experience of eating the food they grow while enhancing their knowledge of sustainable agriculture,” [...] “It will offer experiential learning outside of the classroom and will prepare students for the future. The introduction of the technology will not only help reinforce our ongoing sustainability efforts, but will also encourage and inspire students to be more sustainable.”
The membrane technology in combination with vaporisation can be applied in remote settings, as it requires only the membranes for the filtering process, and fire to vaporise the filtered water, the researchers say. (...] “What is new is making the membrane locally, using materials abundant in Egypt and developing countries.”
The next step for the team is to establish a small desalination unit as a pilot project for the technology.
if this turns out to be working at all, this would ease hydric stress in places where it's most intense.
The young researchers of the ‘Biolicht’ group have replaced toxic ingredients usually used to make electronics with easily biodegradable materials such as starch, cellulose, gelatin or chitin as insulators and semiconductors and dyes made of plant extracts. “These may not be as long-lived as the inorganic alternatives, but they easily survive the service life of disposable electronics,” says Dr. Gerardo Hernandez-Sosa, leader of the Biolicht Young Investigator Group of KIT. At the end of their life, new compostable electronics can simply be thrown into the compost bin or even into the garden where they will rot just like an apple core or cardboard coffee cup
What a great research field! Allowing for technological progress while preserving the environment
Modumetal’s process only uses electricity, [in a way that is] similar to the more conventional method of electroplating, which is when electricity is used to create a metal coating on a surface.
However, Modumetal uses nanotechnology — manipulation of matter at the molecular level — to micromanage at a very small scale to better control the conditions and substances through which electroplating occurs.
promising tech as it seems to be way less energy hungry while the alloy is tougher than traditional methods
The power of sunlight and the heat it gives off, the power of the wind, the power of the waves, the energy that makes plants grow, the water that falls under the force of gravity, what about the power of evaporation? Just another way mankind is learning to harness the energy that makes our world go....
Columbia University researchers experiment with a spore that contract and expand when the environment is dry or humid, harnessing the energy produced by the reaction. It is a very small scale project, but could have unexpected positive impact.
Shawyer [UK aerospace engineer who first came with the idea) has often been dismissed by the research establishment for not having peer-reviewed scientific publications, but White and Tajmar have impeccable credentials that put them beyond cheap dismissal and scorn. Physics is an experimental science, and the fact that the EM Drive works is confirmed in the lab. "This is the first time that someone with a well-equipped lab and a strong background in tracking experimental error has been involved, rather than engineers who may be unconsciously influenced by a desire to see it work," notes Wired referring to Tajmar's work.
tada! take that "science"! This is groundbreaking tech in order to explore space, but it could also revolutionize terrestrial transportation
And that's it! the real space exploration adventure can finally starts now that Bezos' company Blue Origin brought Venture Capitalists' tech battle way up there and brought it back!
They succesfully launched a rocket up to the Von Karman line where space begins. They are not the only one, BUT they are pretty much the only that got the rocket back - which is a very important first step to make space exploration affordable and sustainable.
LOL. This is libertarian pragmatism at its peak; a white middle age geek and a mexican teen teaming up after meeting and chatting on a DIY enthusiast forum.
"Muñoz is exactly the right person to start a company with," says Anderson. "He had seen the web generation and completely understood tech on a first-language basis. This is all second-nature to him. The second thing is, because of where he's from, he knew exactly how to build out a factory and all about manufacturing...Also, he was absolutely fearless. He didn't know what he didn't know... He thought, 'I can learn this [drone] stuff. It's all on eBay. It's all one click away."
What you see above may look like an unremarkable slice of electronics, but it can theoretically power a low-energy device forever, and for free.
'Drayson Technologies today announced Freevolt, a system that harvests energy from radio frequency (RF) signals bouncing around in the ether and turns it into usable, "perpetual power."' a tech that could be an answer to powering the IoT backbone of sensors
Mealworms, which are the larvae of the darkling beetle (Tenebrio molitor), can subsist on a diet of Styrofoam and other forms of polystyrene.
'The scientists managed to isolate a polystyrene-degrading bacterial strain, Exiguobacterium sp. YT2, from the guts of the mealworms. “Our findings have opened a new door to solve the global plastic pollution problem,” Dr Wu said.'
ETH Zürich's programmed quadcopters take us one step closer to automated construction.
Researchers at ETH Zürich's institute for Dynamic Systems and Control successfully programmed three quadcopters to autonomously build a 24-foot rope bridge sturdy enough to support the weight of an adult human. The research team claims this is the first time that drones have been shown capable of building “load-bearing structures at full-scale” and is but the first step towards application in real-world scenarios.
le procédé est simple: les déchets alimentaires (fruits, légumes, épluchures, poissons, viandes, petits os, etc.) sont versés dans la cuve de la machine par une trappe. On y ajoute ensuite des micro-organismes (bactéries) produits en laboratoire. "Environ 33 souches de bactéries, de la même famille que celles présentes dans la flore intestinale humaine, encapsulées dans des écorces de grains de riz", précise Guy Zard, inventeur de la machine et directeur de GET Innovation.
La cuve qui contient les déchets est chauffée entre 50° et 60°C, tandis qu’un bras mécanique brasse le tout. Cela permet aux bactéries d’entamer leur travail de décomposition des aliments: en une journée, 97% des détritus se retrouvent transformés en "séchât" ou compost.
Procédé très intéressante. Ils ont également développé des modèles plus petits et abordables pour les ménages ou petites installations.
You've heard of taking probiotics for a healthy gut, but what about literally spraying live bacteria on your skin?
“I have not taken a shower in over 12 years,” says Dave Whitlock, a chemical engineer and MIT grad who says he doesn’t miss bathing at all. “No one did clinical trials on people taking showers every day. So what’s the basis for assuming that that is a healthy practice.”
THE solution to be clean while not wasting time & water showering. Next step is to find ways to sleep way less without losing capacities :)
The array combines thin-film solar PV and solar thermal technologies into a steel sheet roofing product produced by Australian steel manufacturer Bluescope, with assistance from the Australian Renewable Energy Agency.
Solar power techs are really stepping up their game these days.
The antenna is made by using organic dyes that are excited by light. The dyes then relax and emit more silicon-friendly photons. The dyes are embedded in a hydrogel that keeps them separated but densely packed. After being warmed up and cooled down, it creates a thin pink film that can be coated on top of solar cells, potentially doubling the efficiency.
Even better is that the materials are all biological and non-toxic -- even edible -- and the chemistry to make the film is simple.
"It can be done in the kitchen or in a remote village. That makes it inexpensive to produce," said Kumar.
The researchers are already working with a Connecticut company to figure out how to apply the coating to commercial solar cells. The team is also looking at how the same hydrogel technology can be used to improve drug delivery within the human body and white LEDs.
that's interesting... an easy to produce and clean way to enhance solar panels capabilities
The era of true nuclear fusion may be fast approaching thanks to some cutting-edge work from MIT. While fusion has been demonstrated before, it's always used more energy than it's created. But finding a new way to apply a strong magnetic field to a prototype device, the MIT team has learned how to better contain super-hot plasma, and that's a step towards practical application.
A fusion reactor works like a mini-star, fusing hydrogen atoms into helium just as the sun does. But without the immense gravity of a star, the plasma escapes, requiring more energy to keep it in place. This new magnetic field keeps the core together, and maximizes the energy output of the tiny star.
Promising solution of nuclear generated power - yet increasing the demand for rare-earth so it is just pushing the dust deeper under the carpet I guess.
Social media company plans to start testing the craft, which is intended to provide internet access to remote areas, within months
"Aquila is a solar powered unmanned plane that beams down internet connectivity from the sky. It has the wingspan of a Boeing 737, but weighs less than a car and can stay in the air for months at a time.
We've also made a breakthrough in laser communications technology. We've successfully tested a new laser that can transmit data at 10 gigabits per second. That's ten times faster than any previous system, and it can accurately connect with a point the size of a dime from more than 10 miles away."
That's money well spent. Imressive innovation. Hope it doesn't collide with Google's Loon balloon :)
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