The Far Eastern Economic Review has an article about a Thai inventor who has come up with throwable fire extinguisher balls. You just toss them into the fire, or place them in high risk areas, and – boom – they explode from the heat and spew various fire-retardants all over the place. According to the article, they will soon be on sale in Thailand’s 7-Eleven stores and are being considered by US-based fire and safety supply company Tyco.