1 Published: June 13, 2016 at 03:39 p.m. 2  Updated: June 13, 2016 at 08:25 p.m.  Three-time slam dunk champion Nate Robinson is bidding to join Minnesota Vikings legend Bud Grant as the second athlete in history to play in both the NBA and the NFL.
There are only two countries today that have not accepted the metric system and one of those countries is, yes, the United States. The metric system is used in a lot of things we see and use everyday. For instance, in the Olympics one might swim the 100-meter free style event. You might also need 35-millimeter film for your 35-millimeter camera.
The system works well, but it is not intuitively logical and is based on very old Roman expressions of distance. In the sciences, and commonly in most of the rest of the world, people use the metric system, which uses a base 10 system and gives us a meter stick rather than a yardstick. US Customary Unit System People often refer to the US Customary Unit System as the imperial system, but there are some differences in weights and volume measurements.