How Measurements have Changed

In science we use the Metric System, in fact the whole world uses the metric system. While it seems strange to us in America the metric system is actually much simpler to use. TED Ed gives us a brief history of the Metric System.

How do we even decide what size a unit of measurement should be. It's Okay to be Smart looks into the complicated history of a Meter's size.

Should America Switch. Trace from DNews thinks so.

We haven't entirely cleaned up our measurement systems from their strange history's yet the SciShow explores 6 Weird Units of Measurement We're Still Using for Some Reason