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.
Four paintings attributed to Hermenegildo Bustos were scanned by terahertz time-domain imaging. The THz records clearly show previous depictions underneath the current ones.
Environmental damages such as the detachment of original surfaces caused by cavity formation under the surface of natural stone and ceramic objects are usually not externally visible. Envirromental influences as temperature and humidity fluctuations, particularly when frost or saline accumulation forms can result in the generation of cracks, gaps, and even full detachment of parts of artwork in the...
We use reflection THz spectroscopy to produce three-dimensional images of air gaps between stones that resemble fractures of sub-wavelength thicknesses.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.