Here on land, the speed of a vehicle is recorded in either miles per hour or kilometers per hour. In either case, determining how fast you're moving on land is fairly simple because you can see ...

The laws of distance, and hence speed, are slightly different on the ocean than on land. Mariners also use their own vocabulary when measuring the two. To begin, a mile on the ocean — called a ...

Why are there 5280 feet in a mile, and why are nautical miles different from the statute miles we use on land? Why do we buy milk and gasoline by the gallon? Where does the abbreviation “lb“ come from ...

The Indian Navy’s INS Sarvekshak completed the final phase of the hydrographic survey of Mauritius covering an extensive area of over 25,000 square nautical miles. The fair sheet of the hydrographic ...

The answer goes back to Dutch sailors in the 1600s who tied knots in a rope tied to a log, then observed how fast their ship moved past them.