A hands-on physics project with interactive experiments
Use light to cast a shadow and measure dimensions.
Measure lateral shift of a laser beam through glass.
Align pins using parallax to find thickness.
Take a photo with a ruler and use image analysis.
Simulate measuring with smartphone AR apps like Google Measure.
| Method | Accuracy | Speed | Best For |
|---|---|---|---|
| Shadow Method | Low | Fast | Area estimation |
| Optical Method | High | Medium | Thickness via refraction |
| Parallax Method | Medium | Slow | Learning alignment |
| Photography Method | Medium-High | Medium | Digital analysis |
| Tape Measure App | Medium | Very Fast | Quick field measurements |
💡 Winner: Optical Method – most accurate for thickness.