Tag Archives: interest-physics

1. 

   Mass vs. Weight: The Measurable Difference

   The words mass and weight are used both in physics and outside of it to describe how large (mass) or heavy (weight) something is. While these words are often used interchangeably outside of scientific contexts, they do refer to different things. In this article, we will define the words mass and weight, explain how they are used in science to measure different quantities, and discuss …

2. 

   “Concave” vs. “Convex”: What’s The Difference?

   Concave and convex are literal opposites—one involves shapes that curve inward and the other involves shapes that curve outward. The terms can be used generally, but they’re often used in technical, scientific, and geometric contexts. Lenses, such as those used in eyeglasses, magnifying glasses, binoculars, and cameras are often described as concave or convex, depending on which way they curve. In geometry, both words can …