When you view your right hand in a mirror, it appears as a left hand. Writing is reversed, as is the direction of any spinning object: clockwise becomes counterclockwise and vice versa. In many ways, ...

Consider a ruler, a timeline or even weights lined up in a gym. Why are the smaller values, the earlier times and the lighter weights typically on the left and the larger or later values on the right?

In our Universe, a left hand reflected in a mirror or pond appears to be a right hand. While most of the laws of nature are symmetric under reflections, obeying the same rules, the weak interactions ...

You've probably noticed that many headphones and earbuds have markings on them to denote left and right. But does it really matter which way you put your headphones on? The left and right markings ...