Now, digital calipers with wired interfaces to capture the current reading are nothing new. But the good ones are expensive, and really, where’s the fun in plugging a $75 cable into a computer?

Presenter 2: In this film, we will look at how to collect valid measurements when we carry ... Presenter 2: We don't use a 30-centimetre ruler because the distance is much longer than 30cm.

Common tools used for measuring range from the familiar 12-inch wooden ruler ... reading that tape measure is extremely ...