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How Does A Range Finder Work ?

A range finder is a device used to measure the distance between the user and a target. It typically works by emitting a laser beam or sound waves towards the target and measuring the time it takes for...

How Does Video Camera Work ?

A video camera works by capturing and recording moving images and sound. It does this through a combination of optical, electrical, and digital processes. The camera lens focuses light onto an image s...

Why Are Microscopes So Expensive ?

Microscopes can be expensive due to several factors. Firstly, the technology and materials used in manufacturing high-quality microscopes can be costly. Microscopes require precision optics, such as l...