Saturday, 7 September 2024

Hard Disk


 A-Level Computer Studies. The students are looking at the physical mechanism of a hard disk drive. Because of less head movement, how the heads move over the surface and writing across a cylinder can be faster than writing across tracks.

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Doppler Rocket

Demonstrating the Doppler effect with the @pascoscientific Doppler Rocket: As the rocket moves away, students can hear the pitch drop (red s...