One of the keys to John F Kennedy's, (known as JFK) hold on the American people was his ability to deliver powerful speeches, especially in televised addresses to the nation. Drafted by accomplished ...

科学家们设计了一种只凭手腕运动就可以抓握物体的机械手。这只由英国剑桥大学研究团队研发的3D打印机械手中被放置了传感器，从而能够 “感知” 它所触摸的物体。 Researchers say their robotic hand can handle items that are currently too delicate for machines. The hand uses wrist ...

Jonathan Bailey has made history as he is the first openly gay man to be crowned People’s Sexiest Man Alive. The Wicked actor ...