And we use elements that tend to form higher polyhydrides at low pressures.” He added that systems such as Strontium-Rubidium Sr-Rb-H, Strontium-Rb-Zirconium-H, Rb-Magnesium-H might be promising ...

[W3AXL] picked up a rubidium reference oscillator on eBay at a low cost, and he shows us how it works in the video you can see below. He started with a GPS-disciplined oscillator he had built ...