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PocketBook CAD Reader with E Ink Fina display

07.12.2013

E Ink Holdings has introduced a new generation of monochrome displays Fina, made using electronic paper technology.

Fina screens use a very thin glass substrate. In the production, the technique of thin-film transistors is involved. E Ink claims that Fina panels are more than twice the thickness and weight of conventional LCD screens. This retains the low power consumption and good sunlight readability of other E Ink products.

The first device with a Fina display was a specialized PocketBook CAD reader designed to work with images created in the two- and three-dimensional computer-aided design and drawing system Autodesk AutoCAD.

The presented gadget is equipped with a 13,3-inch screen module, which weighs approximately 60 g. Touch control is supported using fingers and a special pen. PocketBook CAD Reader is equipped with a 1,0 GHz dual-core processor, 2 GB of RAM, a 16 GB flash drive, a Wi-Fi wireless network adapter and a 3G modem for connecting to mobile networks. Power is provided by an 8000 mAh rechargeable battery.

Android 4.0.4 Ice Cream Sandwich is used as a software platform on the device. Includes applications for automated design.

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carbon dioxide plastic 05.04.2013

Chemists at Yale University and Brown University may have made a breakthrough in the production of chemical raw materials. Scientists have found a cheap and effective way to create acrylate from "free" carbon dioxide - the most important industrial raw material. Many things are made from acrylate, in particular, plexiglass, plexiglass, paints, fabrics, etc. Chemical plants produce billions of tons of acrylate annually, usually by heating crude oil-derived propylene. It is clear that this is an expensive energy-intensive method, which is also harmful to the environment.

Since the 1980s, scientists have been exploring the possibility of creating acrylate by combining carbon dioxide with ethylene in the presence of nickel and other metal catalysts. Ethylene is cheaper than propylene and can be obtained from plant biomass, but carbon dioxide is generally plentiful. However, for many years, scientists have encountered an obstacle: instead of forming an acrylate molecule, CO2 and ethylene, as a rule, form precursor molecules with five-membered rings of oxygen, nickel and three carbon atoms. It is very difficult to "break" this ring, so the production of acrylate from alternative raw materials becomes more expensive.

Now scientists have found that five-membered rings are easily destroyed by special substances, Lewis acids, which are electron acceptors. Acids "steal" electrons from the bonds between nickel and oxygen, this weakens the structure of the five-membered ring, as a result of which it breaks down and gives the desired acrylate at the exit.

To demonstrate the high potential of the new technology, the scientists used readily available boron-based acids. True, this is too strong an acid for widespread industrial use, and scientists are currently looking for other suitable Lewis acids, since there are quite a few of them.

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