The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The sub-coetaneous structures of human skin have been revealed to contain elements that demonstrate electromagnetic behavior in the sub-THz frequency range, reminiscent of low Q helical antennas. The structure in question is the coiled human sweat duct inside the epidermis. It was shown that the temporal behavior of the reflected spectral response mirrored physiological parameters such as blood pressure...