Why Potassium is Essential to Life

In life forms, in between cells, no other positive ion is more prevalent than potassium (K+) . The easiest way to collect it is from ashes. If you let water pass through a cloth holding ashes, the water will dissolve some of their compounds, especially potassium carbonate and create a yellowish solution. Evaporating the water will... Continue Reading →

Pressure Gradients: No Sucking Involved

The word "suck" sucks in science. Although much has been written about this misconception, I'll try to string together several everyday examples to further tackle a sucking illusion that persists despite the nearly four hundred year old discovery of atmospheric pressure. If you place one end of a straw into a juice and its other... Continue Reading →

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