Wednesday, 5 June 2024

Slide Rule


 How does a slide Rule work? I created a number line slide rule with two rulers as an example, then raced students with a calculator, showing that some old technology has some advantages, especially when you don't need 9 or 10 sig figs.

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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...