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Portable CD player with FM transmitter

21.12.2003

Princeton Technology has released the PMP-ACD portable CD player with a compact FM transmitter.

The player model will be available in only one color - silver. PMP-ACD is equipped with "anti-shock" for 48 seconds, four fixed equalizer settings, song change notification function, automatic power off. Information about the duration of the composition, the number of the "track", the included modes, etc. is displayed on the monochrome LCD display of the wired remote control. In addition to the usual Audio CD player reads MPXNUMX and Ogg Vorbis files recorded on CD-R/RW discs.

With the help of an FM transmitter, you can broadcast music to several receivers at once (for example, a music center, radio, etc.). The player is powered by two AA batteries. Battery life -10 hours, battery life (NiMH) - 25.

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Counterfeit alcohol detector 27.09.2017

English scientists have developed an apparatus that is able to recognize the fakeness of alcohol. The novelty was called SORS. The device is able to detect fake alcohol or not through a closed container.

SORS was invented by scientists at the University of Manchester. The device works on the principle of Ramon spectroscopy. The laser beam penetrates the substance under study and analyzes the changes in the radiation frequency that occur due to the inelastic scattering of light in the molecules. Photons begin to interact very weakly with alcohol atoms. As a result, energy is either lost or gained. The device separates these particles from each other, then their spectrum is studied.

The experiment was carried out on 150 brands of various types of alcoholic beverages and on 40 types of counterfeit ones. During the study, all drinks were sealed in bottles.

During testing, the device was able to identify fake alcohol from the original one, as well as evaluate the alcohol content in it.

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