Being exact and precise is important in many aspects of life. Whether you’re counting, cooking, drawing, or measuring, you don’t want to overshoot or overestimate … ...

Portable clock provides new ruler for measuring the Earth Portable optical clock so accurate it runs faster if lifted by a centimeter. Chris Lee – Apr 13, 2020 12:16 pm | 83 ...

For instance, how would you go about measuring a 28-cm-long board? Well, you'd start by laying the Mix 3.0 down on the board, with its 0 marking aligned with the left-hand end of that board.

The part of the Pivot X which the arm is connected to can also slide along the main device's body length-wise, allowing it to serve as a 4-cm (1.6-in) measuring caliper.

Replace your ruler with a new scale that doesn't measure in centimeters, but instead measures grams. Now you can directly measure the mass without any calculations. Pick a mass that makes the ...