Hamako Mori: Japan's 91-Year-Old 'Gamer Grandma' Hamako Mori is not just any typical 91-year-old grandma--she's an avid gamer and the world's oldest YouTube gamer at that. Here is her story. by RJ Pierce
Wearable Batteries Could Soon be Concealed in Strap! Researchers Create Fiber-Like Material That Can Store Energy