The main methods of placing samples onto microscope slides are wet mount, dry mount, smear, squash and staining. Dry Mount: The dry mount is the most basic technique: simply position a thinly sliced section on the center of the slide and place a cover slip over the sample. What areRead More →

The first compound microscopes date to 1590, but it was the Dutch Antony Van Leeuwenhoek in the mid-seventeenth century who first used them to make discoveries. How did Antonie van Leeuwenhoek microscope work? Operation of the Leeuwenhoek microscope is simple. The specimen is placed on a pin that is manipulatedRead More →

Convex lenses are used in microscopes, magnifying glasses and eyeglasses. They are also used in the cameras to create real images of objects present at a distance. Is Biconvex lens used in magnifying glass? False. Hint: Convex lenses are the converging lens. The magnifying glass is a convex lens whichRead More →

This illumination type works best with specimens that are translucent, such as cells, tissues, embryos, zebrafish, or other small aquatic samples. Where is this microscope used? Microscopes are a mainstay in life science research but advances in imaging have allowed their use to expand into most areas of science andRead More →

The eyepiece, or ocular lens, is the part of the microscope that magnifies the image produced by the microscope’s objective so that it can be seen by the human eye. Where is the eyepiece on a microscope? The eyepiece, also known as the ocular is the part used to lookRead More →

Antoni van Leeuwenhoek (1632-1723), a cloth trader from Delft, is the founding father of microbiology. He used home-made microscopes to discover the invisible world of micro-organisms. Who is the scientist of microscope? It’s not clear who invented the first microscope, but the Dutch spectacle maker Zacharias Janssen (b. 1585) isRead More →

The 30mm microscope eyepieces are about 1.75mm smaller in diameter than the standard 1 ¼” size used for telescopes. While the 30mm microscope eyepiece can be used in a standard 1.25 inch eyepiece holder, the fit leaves a lot to be desired. Is a microscope the same as a telescope?Read More →

You may be able to drop off your sharps disposal containers at appropriate chosen collection sites, such as doctors’ offices, hospitals, pharmacies, health departments, medical waste facilities, and police or fire stations. How are hydrocarbons disposed of? Disposal requirements When the liquid spilled and absorbed is light-to-medium grade hydrocarbons, smallRead More →