Interesting facts After meeting a friend without electricity, a young person creates an ‘ocean generator’ for US$12, lights a lamp with ocean currents, and can help isolated regions. Felipe Alves da Silva 23/04/2026 at 19:52
Science and Technology Stanford Scientists Create 20-Cent ‘Paper Centrifuge’ Inspired by Ancient Toy, Spins at 125,000 RPM Without Electricity, Separates Plasma in 1.5 Minutes, and Could Deliver Diagnosis to Areas Without Labs Alisson Ficher 02/01/2026 at 09:08
