If you remember high school chemistry class at all, you might remember what happens when you drop potassium and sodium into water: It creates a big flashing, sparking explosion and remains a classic ...

The golden metallic water layer on a sodium-potassium alloy drop. Courtesy: Phil Mason A metallic water solution has been observed in the laboratory for the first time thanks to a new method that ...

As an essential element (we need to consume 1–5 grams per day), potassium is life-preserving, but it is also intimately associated with danger and even death. The electrochemical experiments through ...