An atom of gold has a diameter of 0.000,000,000,144 m. To write this number in standard form: ...

From nearly indestructible metals, like tungsten, to delicate clouds in the sky, atoms make up everything around us. But do these atoms ever touch each other? As with most topics in atomic physics, ...

At first glance, it might seem obvious that atoms touch each other, especially when you consider the material world around us ...

Physicists study this interaction on various scales, from the atomic to molecular level, in order to explore critical scientific questions. AMO physicists strive to understand and control atoms, ...

"[But] this type of touching does not really make sense at the atomic scale because atoms do not have well-defined outer surfaces." An atom is neither a solid object nor the smallest unit known to ...