When your mood ring turns blue, it means you're feeling relaxed and ready to have fun. But what about when it turns black? Understanding mood ring color meanings can help you get the most out of this ...

Whether it’s the 1970s or the early 2000s, mood rings are often associated with a few different time periods. They became very popular in the ‘70s, but the ‘90s and early aughts also evoke memories of ...

How’s the world feeling right now? There’s only one way to find out—build yourself one of these handsome Arduino-powered, Twitter-parsing LED mood lights. The Twitter Mood Light is better than a mood ...

My energy levels are constantly waxing and waning. Some days I wake up early and tackle my entire to-do list. Other days I’m in full bed rot mode and can’t seem to get anything done. I’ve always ...