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08/12/2022

๐—ช๐—›๐—ฌ ๐—ถ๐—บ๐—ฎ๐—ด๐—ฒ๐˜€ ๐—ฝ๐—ฟ๐—ผ๐—ฑ๐˜‚๐—ฐ๐—ฒ๐—ฑ ๐—ฏ๐˜† ๐—ฒ๐—น๐—ฒ๐—ฐ๐˜๐—ฟ๐—ผ๐—ป ๐—บ๐—ถ๐—ฐ๐—ฟ๐—ผ๐˜€๐—ฐ๐—ผ๐—ฝ๐—ฒ๐˜€ ๐—ต๐—ฎ๐˜ƒ๐—ฒ ๐—ป๐—ผ ๐—ฐ๐—ผ๐—น๐—ผ๐—ฟโ“

โœ…You probably observed biological specimens through a microscope in your science lab back in high school.If youโ€™ve never seen what kinds of images microscopes produce.all microscopes produce black-and-white images? If yes, whatโ€™s the reason behind that?

๐Ÿ“Œcolor is a property of light (i.e., photons), and since electron microscopes use an electron beam to image a specimen, thereโ€™s no color information recorded. The area where electrons pass through the specimen appears white, and the area where electrons donโ€™t pass through appears black.




๐—œ๐—ณ ๐˜†๐—ผ๐˜‚ ๐—น๐—ถ๐—ธ๐—ฒ ๐—ถ๐˜ ๐˜๐—ต๐—ฒ๐—ป ๐˜€๐—ต๐—ฎ๐—ฟ๐—ฒ ๐—ถ๐˜.

10/07/2021
Photos from Daily English Learning's post 15/03/2021
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