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 ...

Miklu Silvanto, Oura’s chief design officer, says incorporating advanced computing power into a tiny ring is a major challenge. It’s just as challenging to make a ring that people will actually want ...

Color-changing paint could reduce CO2 emissions and slash your energy bill. This Hong Kong native started on the keys at three-years-old and now, he’s the top pianist of his generation. How some ...