In lay terms, a frame of reference is a system of measuring rods used by an observer to measure the surrounding space by providing coordinates.

Measuring rods and devices lay all around them.

The yardstick is usually employed for work on a medium scale; larger than desktop work on paper, yet smaller than large scale infrastructure work, where tape measures or longer measuring rods are used.

But many important items remain missing, including a small fuel pump and some fuel measuring rods from the center tank, any of which could have produced a spark and ignited fuel vapors.

But measuring rods laid out along the circumference should be Lorentz-contracted to a smaller value than at rest, by the usual factor γ.

Karen Rhea Nemet-Nejat noted the use of measuring rods in the tale as being linked to the history of writing, which developed in order to keep count of animals and produce.

Similarly it can be shown that John will also observe measuring rods at rest on Bill's planet to be shorter in the direction of motion than his own measuring rods.

The accuracy of micrometers is checked by using them to measure gauge blocks, rods, or similar standards whose lengths are precisely and accurately known.

Measuring rods for different purposes and sizes (construction, tailoring and land survey) have been found from China and elsewhere dating to the early 2nd millennium B.C.E.

Measuring rods or reeds are mentioned many times in the Bible.