- Start strobe at highest rate and lower it to 4 times the fan speed to make the blades
- Continue lowering the rate to 2 times the fan speed to see 2 blended colors.
- When the strobe rate matches the fan speed, the blades appear motionless with their
- Optional - touch a piece of paper to the blades to remind students the fan is still
- Point strobe away from audience, and keep frequency above 10 Hz.
(clamp rotator to table)