Smartphones are useful for a lot of things. You can even use one as a ruler in a pinch. Generally speaking, you won’t replace your trusty yard stick. A phone is simply too small for anything other ...

If you are sending us snowfall reports this weekend, here are some good practices to use according to the National Weather ...

In maths, a construction is an accurate drawing. Besides constructing triangles, there are two main constructions which can be done using a ruler, a pair of compasses and a pencil: After the ...