Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Think of the most fussy science teacher you ever had. The one who ...

Before measuring something, it is important to know which unit to use. Estimating its approximate size by comparing it with a more familiar object can help. In order to find a suitable unit of measure ...

Meters, kilograms, degrees Celsius. To most Americans, these units of measurement are little more than funny inconveniences on trips abroad. To scientists, they’re the very standards that allow for ...

TODAY is World Metrology Day. That’s metrology, not meteorology. It celebrates the signing of the Metre Convention on May 20, 1875 which established the metre as a standard unit of measurement. 1.