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 ...

Parallax is a simple concept to understand, but as it relates to riflescopes it’s difficult to explain. According to Merriam-Webster, parallax is the apparent displacement or the difference in ...

Very simply, parallax is an apparent motion of an object due to a change in observation position. Let me start with an example. Here are two photos. I took a picture of the cabinet in the background ...

Actual experimental results demonstrate the promise of a glasses-free 3-D theater experience. Two cars, one red and one blue, are projected onto a screen through a parallax barrier. As the light ...