In our mind’s eye, the universe seems to go on forever. But using geometry we can explore a variety of three-dimensional shapes that offer alternatives to “ordinary” infinite space. When you gaze out ...
A technician often has to sketch or design ductwork and the other parts of an HVAC system. Sometimes you have to sketch the room or building you are working with. This means working with lines, angles ...
The Great Pyramid of Giza is often treated as a monument of stone, but it also functions as a monument of numbers. I see at ...
When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Paul Sutter is an astrophysicist at The Ohio State University and the chief scientist at COSI ...
Circle theorems are properties that are true for all circles, regardless of their size. There are six theorems to learn and recognise. Questions can have a combination of theorems. It is important to ...