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Now playing · 08 Ultrasound
A click, an echo, a shift
Z = 1.632e+6 kg/(m²·s)
Impedance sends the echo home. Time is depth. Motion is Doppler. That is the whole craft.
Lecture
Drag to point. During the lecture the laser teaches on its own. · Open the TV view on the classroom display, then lecture from here. Drag the picture to point.
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