Leonardo da Vinci is usually credited with conducting the first systematic study of friction in the late 15th century, a subfield now known as tribology that deals with the dynamics of interacting surfaces in relative motion. Da Vinci's notebooks depict how he pulled rows of blocks using weights and pulleys, an approach that is still used in frictional studies today, as well as examining the friction produced in screw threads, wheels, and axles. The authors of this latest paper used an experimental setup similar to da Vinci's.
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After six games at the tournament, Buttler’s top score is 26, against Nepal in England’s opener, and in their past four matches he has contributed three, three, seven and two. It is his worst run in international T20s since he followed 13 in his first ever innings with five successive single-digit scores, between February and September 2012.
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