Measure length using a ruler marked with halves and quarters of an inch with Ms. Askew. Join Ms. Askew for a fun Fraction Number Talk. We'll measure length using a ruler marked with halves and ...

Once upon a time, I was involved in an abortive attempt to measure the variation of the fundamental constants. Thanks to that experience, I’ve always had an interest in these measurements, so a new ...

From AR-powered rulers to GPS-based land survey tools, these 8 best measuring apps for iPhone and Android let you measure length, height, area, and even perimeters on the go. Accurate, versatile, and ...

Before you submit an error, please consult our Video Help page. Math Mights is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Fractions: If you’ve ever had difficulty with fractions, using a tape measure just ...

In the past few years, I’ve moved more than once. Time and again, I have had to measure rooms or furniture and then check whether I can arrange everything just as I had planned. When we use a tape ...

The next generation optical speed and length sensor ProSpeed LSV-2100 is designed to reliably perform even under harsh conditions and with up to 3 meters stand-off distances. ProSpeed is the reliable ...