A primary school teacher in China who recorded a video in which she shamed and berated pupils who did not have triangular rulers has shocked parents, according to news reports. The video has since ...

If you are searching for a compact ruler and pencil set to carry in your pocket or bag taking notes or sketching. The Titanium Triangular Ruler Pen is a prime example of such a tool, offering a blend ...

A court in China's Hunan Province has upheld a prison sentence for a teacher who threw a triangle ruler in a class with 9-year-old students and it struck one of them, causing severe injuries. The ...

While trying to maintain order in his classroom, a primary school teacher in China hit a student's head, causing her skull to fracture. The nine-year-old girl had to undergo a five-hour brain surgery ...

What you need: ruler, protractor, pencil and paper. Use these to construct a triangle when you know the length of 1 side and the 2 angles at each end of it. In this case use the length 8 cm, and the ...

There are two ways to construct a triangle using a ruler and a protractor. The first is a Side, Angle, Side (SAS) construction where two sides and the angle between them is known. The second is an ...

It may sound like a crazy device, but this ruler that doubles as a fountain pen is one clever piece of industrial design. Its name is Escala, and it may be architects’ newest best friend. Escala was ...