Chapter 1: Basics

The visual grammar of ultrasound physics. Interactive cards that build intuition through spatial patterns you'll recognize throughout your career.

Sonographer In The Making | Trial Batch
Interactive Cards
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01 Foundation
Relationships: The Seesaw and the Tandem
Two shapes govern nearly every relationship in ultrasound physics. Inverse and direct. Drag the bars and watch the pattern emerge.
Inverse Direct Drag Interactive
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02 Foundation
Reciprocals: Multiply to One
Period = 1 / Frequency. No matter how you change one, their product stays exactly 1. Drag the point and watch the constant-area rectangle.
Period Frequency Constant Product
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03 SPI Domain 1
Sound: Compression and Rarefaction
Sound requires a medium. Watch particles bunch and spread as a wave passes through soft tissue, water, air, and vacuum.
Particle Sim Media Focus Mode
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04 SPI Domain 1
Acoustic Waves: Energy in a Straight Line
Longitudinal vs. transverse. Toggle between the two wave types to see why sound in the body always pushes and pulls along the same axis it travels.
Longitudinal Transverse Sine Trace
Coming Soon
05
Categories of Sound: The Frequency Spectrum
06
The Metric Staircase
07
Scientific Notation: The Zoom Lens
CH 1: Basics | Sonographer In The Making | 2026