Strontium atom in an ion trap - photo

Strontium atom in an ion trap by Oxford physicist David Nadlinger.

Fullsize image: https://diqn32j8nouaz.cloudfront.net...m_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net/trapped_atom.jpg


Previously:

https://www.homemadetools.net/forum/...782#post178936
https://www.homemadetools.net/forum/...538#post170195
https://www.homemadetools.net/forum/...066#post129981
https://www.homemadetools.net/forum/...059#post203180
https://www.homemadetools.net/forum/...586#post193348

That must be really magnified!

I don't really get it. An atom is composed of a nucleus, and orbited by electrons. It has been described by physicists as a small speck like a dust mote in the center of a sports arena, (the nucleus) with the electrons orbiting at the outer edge of the arena. Most people don't realize that all material is mostly empty space. So, what is it we are seeing there? Only the nucleus?