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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Boeldt believes government regulation is the only way to truly force companies to ensure the safety of their users online. “These companies aren’t held to a certain standard” that would stop children from accessing their platforms—not least of all, something these companies “benefit from with kids on their platform. More people, more ads.”
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