How to pronounce “rubidium” in English

So they split each rubidium atoms wave function into two distinct packets, and they launched them to different heights.

It's called a rubidium fountain.

And it's a case where one of the neutrons in rubidium becomes a proton.

First of all, its half-life of rubidium becoming strontium is 48.8 billion years-- b-- billion years.

And then they actually compare that to an even more accurate clock that involves transitions of rubidium.

Radiometric dating, where you have-- I mean, who doesn't love rubidium and strontium?

But once they freeze, once it cools off, then, chemically, some of the rubidium, some of the strontium, is replaced by some of the sodium, some of the calcium.