9-year-old's DIY cardboard arcade gets flashmobbed Nirvan says: "I just finished this short film about a 9-year-old boy's elaborate DIY cardboard arcade. Caine made his arcade using boxes from his dad's used auto parts store. He hadn't had many customers, so we set up a fun flashmob to make his day, and filmed his response. I hope it brings a smile to your day. Caine Monroy is a 9-year old boy who spent his summer vacation building an elaborate DIY cardboard arcade in his dad’s used auto parts store. Zero UI will "change design" Zero UI is the new term for “invisible interfaces”—what happens in the future when all the clicking and tapping and typing is history: “If you look at the history of computing, starting with the jacquard loom in 1801, humans have always had to interact with machines in a really abstract, complex way.” Get essential tools and recipes for the at-home bartender with this set from MakersKit Shake, stir, and muddle your way to delicious homemade cocktails with this must-have bar set.
Wave power generator bags Dyson award 12 September 2013Last updated at 17:02 ET By Mark Ward Technology correspondent, BBC News A scale model of the wave power generator has been tested in a large water tank A wave power generator that can harvest energy no matter which way the sea is running has won the UK round of James Dyson's engineering award. The Renewable Wave Power generator seeks to overcome the limitations of some current wave power technologies. These work best when struck by waves travelling in one direction and are less efficient in more turbulent seas. The generator uses loosely coupled pistons to reap power from tidal waters that flow unpredictably. British sea power The win means that Sam Etherington, who created the generator, gets £2,000 to create a bigger prototype that will undergo tests in water tanks to prove its efficacy. The engineering graduate studied mechanical design at Brunel University in London, and now lives in the Lake District. Expensive
The Thorium Problem Should be the Thorium Solution | Thought Infection I watched this wonderful talk from Jim Kennedy this week. In the talk, Jim beautifully breaks down the surprising economic connections between the loss of control of the rare-earth mineral market, the decline in the manufacturing dominance of America, and the potential to develop thorium as a nuclear fuel source. Kennedy posits that by controlling the relatively small ($3 billion) market on rare-earth mineral production, China has put a lock on the huge market of value-added goods ($4+ trillion). Kennedy presents a strong argument, and where it really gets fascinating is the connection of this industry to nuclear regulation. Thorium is a relatively common mineral in the earth’s crust; it is also radioactive. Because of its reactivity, thorium also has the potential for use as a nuclear fuel. Through developing a thorium fuel cycle, we could easily meet world demand for power for thousands of years. If we want to dream big, we are going to need the power to do it. Like this:
Wilkinson Residence By Accident, Researchers Set World Record for Thinnest Glass Researchers accidentally discovered the world's thinnest sheet of glass, just two atoms thick. Their chance finding — now immortalized in the 2014 edition of the Guinness Book of World Records, out this week — gives scientists a glimpse into the puzzling properties of glass, which behaves like both a solid and a liquid. Researchers at Cornell University and Germany's University of Ulm were creating graphene, one of the thinnest and strongest materials in the world. Sheets of graphene are just one carbon atom thick, with those atoms arranged in a honeycomb lattice. [Gallery of Wonders: The Weirdest World Records] Using an electron microscope, the researchers inspected some "muck" on the graphene, finding that it was essentially a 2D sheet of common glass, made up of silicon and oxygen atoms. The researchers' observations were first described in January 2012 in the journal Nano Letters. Most solids when they cool arrange their atoms in a rigid lattice.
Thorium: a safer nuclear power April may have the been the “cruelest month” for T.S. Eliot, but March may hold that claim for the Japanese and American nuclear industries, where two high-profile accidents – Fukushima and Three Mile Island – have etched themselves in collective memory and distrust (read more here and here). Skip to next paragraph Ken Silverstein is an award-winning journalist whose work has been published in more than 100 periodicals and has served as a source for energy stories in The New York Times, Washington Post, USA Today, National Public Radio, and Atlantic Monthly. Recent posts Subscribe Today to the Monitor Click Here for your FREE 30 DAYS ofThe Christian Science MonitorWeekly Digital Edition Such accidents could become a thing of the past if the nuclear industry can wean itself off of uranium and embrace thorium, which is more abundant, less melt-prone, and therefore safer to use. India and, to a lesser extent, Canada are also pursuing the technology. There are reasons for skepticism.
Application: Quand les touristes s'effacent de vos photos de vacances - News High-Tech: Hard-/Software Application Le vieux rêve des photographes amateurs est sur le point de se réaliser: effacer sans souci personnes et véhicules qui s’invitent par surprise sur les clichés. Un petit clic pour la photographie, mais un bond de géant pour le photographe. Le problème est aussi vieux que la photographie elle-même: Tout est prêt pour le cliché, sujet cadré, lumière ajustée, et voilà que quelqu’un surgit au dernier moment dans le champ, ruinant la prise de vue. Le souci est certes devenu relatif à l’âge des appareils numériques, qui permettent de multiplier les essais. La situation pourrait bien changer. Caméscope intelligent Cette invention, baptisée Remove, pourrait être intégrée aux prochains appareils de photo et être disponible sous forme d’App pour les smartphones. Le concept est simple. Le site engadget a testé l’application Android avec un Galaxy Nexus et un Galaxy S2.
Acetone and Styrofoam China Takes Lead in Race for Clean Nuclear Power | Wired Science China has officially announced it will launch a program to develop a thorium-fueled molten-salt nuclear reactor, taking a crucial step towards shifting to nuclear power as a primary energy source. The project was unveiled at the annual Chinese Academy of Sciences conference in Shanghai last week, and reported in the Wen Hui Bao newspaper (Google English translation here). If the reactor works as planned, China may fulfill a long-delayed dream of clean nuclear energy. The United States could conceivably become dependent on China for next-generation nuclear technology. “President Obama talked about a Sputnik-type call to action in his SOTU address,” wrote Charles Hart, a a retired semiconductor researcher and frequent commenter on the Energy From Thorium discussion forum. While nearly all current nuclear reactors run on uranium, the radioactive element thorium is recognized as a safer, cleaner and more abundant alternative fuel. See Also:
First 3D printed jaw transplant: 83-year-old woman sets world record (Video) Tuesday, February 7, 2012 First 3D printed jaw transplant: 83-year-old woman sets world record (Video) LEUVEN, Belgium--Scientists at the University of Hasselt BIOMED Research Institute in Belgium developed a custom made lower jaw transplant, using a prosthetic jaw made by LayerWise on a 3D printer; an 83 year-old Belgian woman has become the first-ever person to receive a transplant jawbone tailor-made for her face; the surgery took place at the Orbis Medisch Centrum in Sittard-Geleen , setting the world record for the First 3D printed jaw transplant, according to World Record Academy (www.worldrecordacademy.com) Photo: (enlarge photo) The Guinness world record for the earliest successful full face transplant was performed by a team of doctors from the Vall d''Hebron University Hospital, Barcelona, Spain. An 83-year-old Belgian woman underwent the operation last June, after suffering from an infection that rapidly ate away her jaw. (enlarge photo) Dr. ir. (enlarge photo)
New connection between stacked solar cells can handle energy of 70,000 suns (Phys.org) —North Carolina State University researchers have come up with a new technique for improving the connections between stacked solar cells, which should improve the overall efficiency of solar energy devices and reduce the cost of solar energy production. The new connections can allow these cells to operate at solar concentrations of 70,000 suns worth of energy without losing much voltage as "wasted energy" or heat. Stacked solar cells consist of several solar cells that are stacked on top of one another. Stacked cells are currently the most efficient cells on the market, converting up to 45 percent of the solar energy they absorb into electricity. But to be effective, solar cell designers need to ensure the connecting junctions between these stacked cells do not absorb any of the solar energy and do not siphon off the voltage the cells produce—effectively wasting that energy as heat. Explore further: Concentrator solar cell with world's highest conversion efficiency of 44.4%
Thorium Thorium is a naturally occurring radioactive chemical element with the symbol Th and atomic number 90. It was discovered in 1828 by the Norwegian mineralogist Morten Thrane Esmark and identified by the Swedish chemist Jöns Jakob Berzelius and named after Thor, the Norse god of thunder. Thorium produces a radioactive gas, radon-220, as one of its decay products. Thorium was once commonly used as the light source in gas mantles and as an alloying material, but these applications have declined due to concerns about its radioactivity. Characteristics Physical properties A close view of a thorium crystal Pure thorium is a silvery-white metal that is air-stable and retains its luster for several months. Powdered thorium metal is often pyrophoric and requires careful handling. Chemical properties Thorium's oxide is ThO2. Compounds Thorium compounds are stable in the +4 oxidation state. Thorium dioxide has the highest melting point (3300 °C) of all oxides. Isotopes