is a senior reporter and author of the Optimizer newsletter. She has more than 13 years of experience reporting on wearables, health tech, and more. Before coming to The Verge, she worked for Gizmodo ...

This option is useful for those who may travel to another country and need to measure something such as clothing in a department store. For more help getting the most out of your Apple devices, check ...

How accurate you need to be when you measure depends on the situation. To measure and draw well, you need to know how to use a ruler and understand the different units of measurement, such as ...

Jan. 17 -- Tom Murphy wants to know how far it is to the moon. Not just how many miles, or how many feet, or even how many inches. He wants to know to within a millimeter, and that's less than a 25th ...