Physics students and educators struggle to visualize complex phenomena like Cherenkov radiation.
Create a web-based or mobile app that simulates particles moving faster than light in various materials, showing the blue glow effect.
Universities and science museums could license this for educational displays, or enthusiasts might pay for a premium version.
Start with a simple 2D simulation in a single medium, then expand to 3D and multiple materials.
The biggest risk is niche appeal—this may only interest a small segment of science educators and enthusiasts.