You need an X-ray to measure your Cobb angle and find scoliosis. Scoliosis is diagnosed when the Cobb angle is 10 degrees or more. Surgery is considered when the Cobb angle reaches 40 to 50 degrees.

MUAC is a quick and simple tool that is used to detect severe malnutrition, especially during emergencies using a simple coloured plastic strip. It is predominately used to measure the upper arm ...

You’ve no doubt heard the carpentry proverb “Measure twice, cut once” and may even have made it a mantra for your own projects. But unless you know how to use a tape measure and correctly read its ...

Draw geometric shapes using mirrors and reflected laser light. Improve your aim—and practice spatial reasoning—by bouncing laser light off a series of mirrors. Learn about geometry and discover the ...

Have you ever needed to draw a perfect right angle or precisely measure an angle while working on a project? If you’re not sure what tool to use for that, you need a set square. These nifty little ...

You’re a DIYer or maybe a professional who needs the right tools for precise measurements. Whether it’s woodworking, construction, metalworking, or other projects, having the proper measuring ...

Before diving into the methods, it's essential to understand the difference between altitude and elevation. Altitude refers to the height of an object or place above a given planetary reference plane, ...