You can measure objects on an iPhone using Apple's Measure app. The app is free and works with specific versions of the iPhone, iPad, and iPod. You may be able to ...

Have you ever wondered how astronomers measure the distance to other objects in the universe? How do they make claims that this nebula is 1,500 light years distance or that galaxy is 2.5 million light ...

It was a cool, crisp autumn day in Pennsylvania in 1966, and I remember it well. There I sat in Mrs. Moyer’s 10th- grade geometry class daydreaming out the window, as I often did, and pondering ...

iOS: Sometimes you need to get a quick measurement of something and you probably don’t carry a ruler around, but of course, there’s an app for that. VisualRuler gives you a decent estimate of an ...

From AR-powered rulers to GPS-based land survey tools, these 8 best measuring apps for iPhone and Android let you measure length, height, area, and even perimeters on the go. Accurate, versatile, and ...

Pioneering research has now developed a method to accurately measure the surface temperature of nanoscale objects when they have a different temperature than their environment. Temperature ...

At the end of the 18th century, the British scientist Henry Cavendish measured the force of gravity between two objects for the first time in a laboratory. The objects in question were lead balls, one ...

Unless you work in construction, there’s a good chance you don’t always carry a tape measure with you. So what do you do when you stumble upon something, and you really need to know exactly how big it ...