Over the past few years, transmission electron microscopy (TEM) has been revolutionized, not only by the introduction of new hardware such as field-emission electron guns, aberration correctors and ...
Electron microscopy uses a beam of electrons to illuminate a sample and achieve much higher spatial resolution than light microscopy. Transmission electron microscopy generates an image of the ...
An electrocardiogram, also called an ECG or EKG, is a simple and painless test that measures the electrical impulses of your heart to check for signs of heart disease. It's done through small ...
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