When waterlogging turns city roads into temporary rivers each monsoon, the problem often lies not in the rain—but in how our surfaces respond to it. For Aaditya Goel of Class XI-B, this everyday urban challenge became the starting point of an innovative physics investigatory project: Eco-Drain Roads. What began as a simple idea evolved into a practical, hands-on model demonstrating how science can offer sustainable solutions to real-world problems.

The core concept of the project lies in creating a balance between strength and permeability. By combining cement, sand, and gravel in a specific ratio, Aaditya engineered a structure filled with interconnected pores.

These pores exist at two levels:

• Macro pores, formed by gaps between gravel particles, allow rainwater to infiltrate quickly.

• Micro pores, present within the material, help retain moisture and support groundwater recharge.

Together, they create a system that mimics natural soil absorption while maintaining the structural integrity required for road construction.

The project was not without its challenges. Through multiple observations and trials, Aaditya discovered how small changes could significantly impact the outcome:

• Excess fine sand reduced permeability by clogging pores.

• Alternative materials like plaster of Paris weakened the structure.

• Additives like baking soda increased porosity but compromised durability.

These insights reinforced an important lesson: in engineering, optimization is key—every component must serve both function and balance.

This project is a reminder that innovation doesn’t always require complex technology—sometimes, it begins with observing a problem closely and rethinking the basics. By turning a conventional brick into a tool for environmental management, Aaditya Goel has demonstrated how young minds can contribute to building smarter, more sustainable cities—one idea, and one brick, at a time.