For that, you need something like this gamma-ray spectroscope. Dubbed the Pomelo by [mihai.cuciuc], the detector is a homebrew solid-state scintillation counter made from a thallium-doped cesium ...

A pomelo looks like a large, slightly misshapen grapefruit, only it’s much more delicious, at least if you get a good one. The pomelo, which is one of the parent fruits of the crossbred ...

Among so many citrus fruits, two common fruits are usually eaten, which are grapefruit and pomelo. These two fruits may have a common feature, but many differences make them different from each other.