Before HO scale became the standard for model railroading, O scale was the dominant size, with a ratio of 1:48. However, in the early 20th century, a growing demand for more compact model trains ...

Actor Yoo Seung Ho is proving to be quite handy with a sword! On May 28, the production staff of MBC drama “ Ruler: Master of the Mask ” (written by Park Hye Jin and Jung Hae Ri and directed ...

Although "Ruler: Master of the Mask" is their first project together, both Yoo Seung Ho and Kim So Hyun had their start in child actor roles. Kim So Hyun ...

That's it. Now I can use this rubber-band-and-ruler combo to find some unknown masses. All I need to do is to hang the mass from the rubber band and record the stretch distance (in centimeters).

The Smart Scale Ruler has been specifically created to solve three main issues that waste time and cause frustration with designers and architects. These are not being able to read out of scale ...