This signal involves a biker putting their left hand up with the palm facing forward. It's mainly shown by the leader of the group to signal other bikers to follow them. Read more: 17 Major ...

Imagine a robotic hand that coordinates its palm and fingers with human-like precision -- not only grasping objects with ...

Francesco Clemente Francesco Clemente used an image taken from his 1978 painting Map of What is Effortless depicting a hand (palm up) with an animal balanced on the tip of each of the five fingers: a ...