String theory's equations give rise to a near infinite variety of potential universes in a 'landscape.' This landscape is surrounded by a 'swampland' of solutions that are incompatible with any ...

Next Gen racquets, shoes and strings: The decade to come in gear Choosing proper string tension—how tightly the strings are pulled in a frame—is just as important to your game as your racquet. Too low ...

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 ...