Search engine marketing increases website visibility on search engine results pages to increase traffic. It includes paid placements, contextual advertising, and paid inclusion, but the most common is search engine optimization. This involves editing website content and HTML coding with relevant keywords. Black-hat SEO, such as keyword stuffing, should be avoided. Search engine marketing is […]
A scanning electron microscope (SEM) uses an electron beam and detectors to view small areas. The beam is directed at a sample, and the resulting electrons are detected through backscattering, secondary, or X-ray imaging. SEMs use a raster pattern to produce 3D images and are commonly used in forensic science. An SEM microscope is a […]
