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Licht says his group’s newly demonstrated technology, which both captures the carbon dioxide from the air and employs an electrochemical process to convert it to carbon nanofibers and oxygen, is more efficient and potentially a lot cheaper than existing methods.But it’s more than just a simpler, less expensive way of making a high-value product. suzuki c90 air cleaner coverIt’s also a “means of storing and sequestering carbon dioxide in a useful manner, a stable manner, and in a compact manner,” says Licht. air purifying respirator costHe points out that if the process is powered by renewable energy, the result is a net removal of carbon dioxide from the atmosphere. peterbilt led air cleaner lightsIn a recent demonstration, his group used a unique concentrated solar power system, which makes use of infrared sunlight as well as visible light to generate the large amount of heat needed to run the desired reaction.

The process requires molten lithium carbonate, with another compound, lithium oxide, dissolved in it. The lithium oxide combines with carbon dioxide in the air, forming more lithium carbonate. When voltage is applied across two electrodes immersed in the molten carbonate, the resulting reaction produces oxygen, carbon (which deposits on one of the electrodes), and lithium oxide, which can be used to capture more carbon dioxide and start the process again.The researchers demonstrated the ability to make a variety of different nanofiber shapes and diameters by adjusting specific growth conditions, such as the amount of current applied at specific points of time and the composition of the various ingredients used in the process. They also showed they could make very uniform fibers. Licht says the mechanisms underlying the formation of the fibers still need to be better understood, and he’s confident the group can keep developing more control over the nature of the fibers it makes.As for the technology’s emissions-cutting potential, the researchers are optimistic.

They calculate that given an area less than 10 percent of the size of the Sahara Desert, the method could remove enough carbon dioxide to make global atmospheric levels return to preindustrial levels within 10 years, even if we keep emitting the greenhouse gas at a high rate during that period.Of course, this would require a huge increase in demand for carbon nanofibers. Licht believes the material’s properties, especially the fact that it is so lightweight and also very strong, will spur greater and greater use as the cost comes down, and he thinks his new process can help with that. Imagine that carbon fiber composites eventually replace steel, aluminum, and even concrete as a building material, he says. “At that point, there could be sufficient use of this that it’s actually acting as a significant repository of carbon.” $30 Toward Thai Cuisine Munch on tasty food and drink Siam Cuisine Website | _____• $14.99 ($30.00 value) for $30 to Spend on Food and Drink

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#217 in Industrial & Scientific > Science Education #2,322 in Toys & Games > Action & Toy Figures > Action Figures 3.3 out of 5 stars See all 376 customer reviews See all 376 customer reviews (newest first)Tried two different batches of ants. Both died within days of being in habitat. Don't know if it was the ants or the habitat but cannot say I'd get this for a gift... The farm was supposed to come in two weeks, but it only took about five days. Nothing in the box was missing, broken or misplaced.My 5-year old wanted an ant farm so much. All but 2 ant arrived in the mail dead, after a couple days the "survivors" died as well. except waiting for ants - agesssss Its a pretty cool toy. Ants take a long time to ship though Ants escape from the little air hole. Ants died within a week and hardly dug. Got a replacement and same thing happened. Don't waste your money. My son was so bummed. I'm 26 and may have ordered this after a few drinks but the fun is never ending with this bad boy.