Frustrated, Lena opened her laptop at 2 a.m. and typed autodesk inventor for students . Within minutes, she had downloaded the free license through her university portal.

On presentation day, the professor didn’t just give them an A. He asked if the design could be submitted to a humanitarian engineering journal.

Lena smiled, remembering that late-night search. She hadn’t just found software. She’d found a way to make something real before she’d ever touched a real river.