One Easter cactus is never enough — good thing it's ridiculously easy to make more. This quick trick lets you multiply your plant supply in about a month.

This Design Idea presents a method for fast integer multiplying and multiplying by fractions. What can you do when you lack access to a hardware multiplier or MAC (multiply/accumulate) function and ...

Easter cactus (Rhipsalidopsis gaertneri) plants have a quiet kind of beauty that slowly grows on you. Their star-shaped blooms and unique-looking segmented stems slowly win you over, and before you ...