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How is Electron Microscopy Used for Forensic Document Examination?

Authenticating signatures, deciphering hidden messages, and scrutinizing intricate details are all part of the fascinating field of forensic document examination. ....

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Gas Analysis for Contamination Control in Optoelectronics

Gas analysis is a critical technique used to identify and control contamination in the production process of optoelectronics, avoiding defects in the devices, financial loss, and reducing safety risks. ....

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The Use of AFM in Archaeology and Paleontology

Atomic force microscopy (AFM) is one of the analytical methods that can provide a non-invasive, non-destructive, and nanometer-scale characterization of archaeological and paleontological samples. ....

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Tomsk State University: An underwater holographic camera was tested in Baikal

Tomsk State University, in collaboration with the Limnological Institute of the Siberian Branch of the Russian Academy of Sciences, is testing an underwater holographic camera created at TSU.The holographic camera is situated 5 meters deep underwater ....

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Studying plankton with a digital holographic camera will help ecology

Date Time
Studying plankton with a digital holographic camera will help ecology
Scientists from the Laboratory of Radiophysical and Optical Methods for Studying the Environment (TSU Faculty of Radiophysics) have found a way to determine the pollution of water bodies by studying plankton. The main tool is a digital holographic camera, which, placed in the water, can determine the size and shape of plankton and other particles, their speed, the number of individuals, and other parameters. Conclusions about the state of the reservoir and its biological diversity can be drawn from the data obtained.
– To record a hologram, you need to pass a laser beam through the volume of the medium and register it on a charge-coupled-device (CCD) camera. This will be the axial hologram of this volume of the medium, – explained Viktor Dyomin, TSU First Vice-Rector, head of the laboratory. – It differs from ordinary photography in that we can completely restore information about t ....

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