Image by ThisIsEngineering via PexelsA research group at the Daegu Gyeongbuk Institute of Science and Technology (DGIST), led by Professor Su-Il In, has developed a new type of nuclear battery called a perovskite betavoltaic cell (PBC), which could power small devices for decades without the need for recharging. The team used carbon-14—an unstable form of carbon known as radiocarbon—and combined it with perovskite materials to create a hybrid battery with improved energy conversion and long-term...