Visual manifestations of an object that moves from one place to another are common in sign languages. Here, we offer an overview of techniques for conveying motion of an entity based on an examination of storytelling and poetry in seven sign languages. The signer can use embodiment and/or classifiers to show translocating movement of an object, or…

Changing mass phenomena like the motion of a falling chain, the behaviour of a falling elastic bar or spring, and the motion of a bungee jumper surprise many a physicist. In this article we discuss the first phase of bungee jumping, when the bungee jumper falls, but the bungee rope is still slack. In instructional material this phase is often…