portgas D. ayxxn on Instagram: "Yes, Japan uses piezoelectric tiles in high-traffic areas like Shibuya and Tokyo stations to convert footsteps into electricity, powering LEDs, displays, and ticket gates by transforming mechanical pressure into small electrical charges, showcasing a real-world application of sustainable, micro-energy harvesting from human movement. While a single step yields little power, the sheer volume of people creates a steady stream of renewable energy, turning daily commut