Hi"
This experiment has some interesting potential, especially for making practical measurements to observe curvature. A few key considerations to make it effective:
Precision in Measurements: At a 1-kilometer radius, the curvature difference is small (about 8 cm). Both laser and water levels must be sensitive enough to detect changes on this scale. Choose equipment that can maintain precision over long distances.
Environmental Factors: Light can bend slightly due to atmospheric refraction, so conducting the experiment in calm, stable conditions is essential. Testing over water is sometimes preferred to minimize uneven ground effects.
Comparison: If using both methods, ensure independent measurement techniques, as water-based leveling tends to align closely with gravitational pull, while laser-based methods could show variations if there’s curvature.
Repeatability: For better accuracy, try repeating measurements or experimenting at various distances to ensure consistent data.
This setup could indeed demonstrate curvature, especially if precise and controlled carefully to minimize external influences.