5H10.60 • Coordinate Axes

Photo shows the demonstration used at the University of Texas at Austin.

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Concept conveyed:

• A visual demonstration of the three coordinate axes (x, y, z) to illustrate the right-hand rule.

Instructions:

• Retrieve a spherical ball and three rods of different colors
• Insert two rods into the ball at right angles, and the third one perpendicular to the first two.

Additional Notes:

• Professors may occasionally request multiple sets to distribute among the students in the classroom.
• Be sure to prepare in advance by counting how many sets are issued and returned after use.

Last updated on February 26, 2026