A microscope is an optical instrument used to observe very small objects, which magnifies the details of the object to reveal microscopic structures that cannot be casually seen by the naked eye. Since the 17th century, the invention of the microscope has changed the face of scientific research, especially in the fields of biology, medicine and materials science.
Microscopes are mainly divided into optical microscopes and electron microscopes. Light microscopes, which reflect light or pass through objects to form enlarged images, are suitable for observing living cells and tissue structures. In contrast, electron microscopes, which use beams of electrons rather than light, can achieve much higher magnification and reveal much finer structures, such as organelles and nanomaterials.
The use of the microscope has not only promoted the development of scientific research, but also profoundly affected medical diagnosis, education and industrial applications. Through the microscope, we can explore the seemingly unreachable microscopic world and uncover the secrets of life and matter. Whether conducting research in the lab or teaching in the classroom, the microscope is a window into new knowledge.

A microscope is an optical instrument used to look at very small objects, allowing us to see details that cannot be discernible to the naked eye. Since the 17th century, the invention of the microscope has revolutionized the face of scientific research, opening up new horizons in fields such as biology, medicine, and materials science.
Microscopes are mainly divided into optical microscopy and electron microscopy. Light microscopy uses light passing through a specimen to enlarge an image and is widely used in cytology and histology. It allows scientists to observe biological processes such as cell structure and cell division. Electron microscopes, which use beams of electrons instead of light, can achieve higher resolution and reveal details at the nanoscale, and are therefore used in materials science and virus research.
The microscope is not only an important tool in the laboratory, but also a key to the delicate world of scientific exploration. It gives us a deep understanding of the basic building blocks of life and the microstructure of materials, and drives the continuous progress of science and technology. Through the microscope, we can glimpse an incredibly rich and wonderful microscopic universe.

A microscope is an optical instrument used to observe tiny objects, which magnifies details that are not visible to the naked eye for detailed study. Microscopes play a vital role in scientific research, medical diagnosis and industrial testing.
The working principle of the microscope is based on optical magnification. By using a range of lenses and optical systems, microscopes are able to magnify samples many or even thousands of times, making fine structures clearly visible. Common types of microscopes include light microscopy, electron microscopy, and fluorescence microscopy. Optical microscopes use visible light for observation and are suitable for biology and medicine. Electron microscopy uses electron beams to provide higher resolution and is suitable for materials science and nanotechnology; Fluorescence microscopy uses specific wavelengths of light to excite fluorescent dyes in a sample for the study of cells and molecules.
Microscopes are used in a wide range of applications, from biologists studying cell structure, to doctors diagnosing diseases, to engineers detecting defects in materials, all of which provide the ability for in-depth observation and analysis. Modern microscopes have not only increased the accuracy of scientific research, but have also driven technological advances and discoveries in many fields.