Refractive-index microscope measures a sample's optical properties with pinpoint accuracy

By combining two fundamentally different microscopy techniques, researchers can now measure the optical properties of a ...
AZoNano

Measuring MEMS Micromirror Dynamics with 4D Digital Holographic Microscopy

Learn how 4D digital holographic microscopy provides real-time, non-contact measurement of MEMS micromirror deformation, ...

The HWO must be picometer perfect to observe Earth 2.0

Lately we've been reporting about a series of studies on the Habitable Worlds Observatory (HWO), NASA's flagship telescope ...
IEEE

DPPAD-IE: Dynamic Polyhedra Permutating and Arnold Diffusing Medical Image Encryption Using 2D Cross Gaussian Hyperchaotic Map

Abstract: With the rapid improvement of medical consumer electronics (CE), the transmission of multiple images has become increasingly common in the medical field. During the transmission and storage ...
IEEE

Towards an experience in the use of Learning Objects in Meaningful Learning Activities using eXeLearning

Abstract: Higher education institutions address the issue of content creation as a fundamental space that involves professional preparation, technical knowledge and didactic aspects of the professor.