Tong Er Khobor on Instagram: "Japan has harnessed everyday footsteps to generate clean electricity using piezoelectric technology. In bustling areas like Tokyo’s Shibuya Station, specially designed floor tiles convert the mechanical pressure from each step into electric energy—about 0.1 watts per step from a person weighing around 60 kg . While that seems small, when thousands walk over these tiles daily, the accumulated energy can power LED displays, signage, and station lights . The innovation