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Household food scanner

26.03.2014

TellSpec, which claims to be the developer of the world's first consumer food scanner, has announced a partnership with Texas Instruments. This cooperation allowed TellSpec to use DLP technology in the scanner of the same name.

The TellSpec scanner is able to determine the caloric content and composition of food, including the content of macronutrients, to detect the presence of allergens and various chemicals in dishes and drinks. The scanner informs the consumer about the relationship between food composition, consumption and health status.

The scanner is based on spectroscopy in the infrared range (900-1700 nm). The device, measuring 8,5 x 5,5 x 1,6 cm and weighing 80 g, is powered by a lithium-ion battery charged from a USB port. Information from the scanner via the Bluetooth 4.0 LE interface is sent to a mobile device, where it is processed by a special application available in versions for iOS and Android.

While the original scanner used a laser, the updated one will use a broad-spectrum light source and a MEMS digital micromirror device.

The device costs $320 (two pieces - $490). This amount includes the analysis of scan results on the company's servers during the year. To use TellSpec after that, you will need to pay $8 monthly or $70 annually.

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Current acceleration in quantum plasma 06.04.2012

At present, electronics require more and more compact and powerful processors. German scientists have discovered a new, previously unknown phenomenon in quantum plasma that can solve this problem.

Plasma is an ionized electrically conducting gas, consisting of positive (ions) and negative charge carriers (so-called non-degenerate electrons). Almost all of the ordinary matter in the universe is mostly plasma, and on Earth it is used to produce energy in controlled thermonuclear fusion, medicine, industry, and so on.

Physicists from the Ruhr University in Bochum (Germany) found that a negatively charged potential allows you to combine positively charged particles (ions) into atom-like plasma structures. Thus, the electrical current begins to flow much faster and more efficiently, opening up new vistas for nanotechnology. The new effect is observed at the atomic level in quantum plasma. This is the case when, compared with normal, the density of quantum plasma is very high, and its temperature, on the contrary, is low.

The negative potential discovered by scientists causes an attractive force between ions, which then form lattices. These gratings are compressed, the distance between them is reduced, and the current flows through them much faster. This phenomenon is due to the collective processes of interaction of degenerate electrons with quantum plasma. Such plasma can be found, for example, in bright stars with a shortage of nuclear fuel (white dwarfs) or obtained in the laboratory using laser radiation.

Research by physicists at the Ruhr University opens up the possibility of ionic crystallization at the atomic scale. This is a completely new line of research that can link different disciplines of physics. In practical terms, the discovery can help create chips for quantum computers, semiconductors, ultra-thin metal films and metal nanostructures.

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