Two masses pull a scale in different directions to measure the tension in the string. One mass can be detached and the string held in hand to simulate the string being attached to a wall. The string ...

String theory is an attempt to unite the two pillars of 20th century physics — quantum mechanics and Albert Einstein's theory of relativity — with an overarching framework that can explain all of ...

The purpose of a string in a string instrument is to vibrate and produce sounds. How it vibrates is decided by its mass per unit length, its stiffness, and how well it allows vibrations to flow ...

Professional players are an exacting bunch. Many come to a match with enough freshly-strung racquets that they can switch to a new one at every ball change. Or, they might have frames strung at ...