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Intel Celeron 3215U and 3765U processors

13.06.2015

Intel Corporation has expanded its line of processors with two models - Celeron 3215U and 3765U. The "U" suffix in the name of the new products indicates that they belong to the segment of economical low-voltage solutions, and, accordingly, they are intended for entry-level laptops or ultra-thin ultrabooks.

The new processors use the Broadwell microarchitecture, but unlike the Broadwell-H processors recently announced at Computex, these models feature a basic graphics core with a minimum of supported features and technologies. Judging by the model numbers, the new Celerons will replace the Celeron 3205U and 3755U.

The processors have two x86 cores and 2 MB of L2 cache. There is no support for Hyper-Threading. The clock frequencies of new products are 200 MHz higher than their predecessors and are 1,7 and 1,9 GHz, respectively. As already mentioned, these chips belong to the ULV (ultra low voltage) category and have a TDP of only 15 watts. The cost of Intel Celeron 3215U and 3765U is the same and is $107.

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Graphene film will reliably protect against corrosion 10.10.2012

Researchers from Monash University and Rice University published in the September issue of Carbon a recipe for the most reliable protection of metals from corrosion. It turns out that a graphene coating so thin it's invisible to the naked eye can make a metal 100 times more resistant to corrosion. This discovery has great potential to protect the metal even in harsh environments such as seawater.

Graphene is a microscopic layer of carbon atoms, which is already used, for example, in smartphones. The anti-corrosion properties of graphene have long been of interest to scientists, and, finally, American researchers were able to convincingly demonstrate them. In laboratory experiments, a thin graphene film was able to reliably protect a copper plate: graphene-coated copper resisted corrosion 100 times better than untreated copper. Until now, various experiments with graphene have given a similar indicator by 5-6 times, which in principle is also very good, but is not an acceptable alternative to conventional paint.

Using a technique known as chemical vapor deposition, researchers at Monash University and Rice University deposited garfen on copper at temperatures between 800 and 900 degrees. Corrosion resistance tests were carried out in salt water.

Currently, scientists are improving the method of applying graphene to metal. First of all, the temperature of the process must be lowered to make it commercially more attractive. Work is also underway to test the anti-corrosion effectiveness of the graphene coating on other metals. The discovery of scientists is of great importance for all spheres of human activity, since everything is subject to corrosion: from musical instruments to ocean ships and electronics.

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