To complete many everyday tasks and chores, humans typically use both of their hands. For instance, when opening a bottle, they use one hand to hold the bottle and the other to twist its cap. Researchers at the University of California San Diego recently developed EgoThumb, a robotic thumb that could allow people to complete some tasks that generally require both hands using only one.To complete many everyday tasks and chores, humans typically use both of their hands. For instance, when opening a bottle, they use one hand to hold the bottle and the other to twist its cap. Researchers at the University of California San Diego recently developed EgoThumb, a robotic thumb that could allow people to complete some tasks that generally require both hands using only one.[#item_full_content]