When we think of brain-computer interfaces (BCIs) that use electrodes, we usually think of Utah arrays that are placed directly on the brain during open brain surgery, or with thin electrodes ...

When we think of brain-computer interfaces (BCIs) that use electrodes, we usually think of Utah arrays that are placed directly on the brain during open brain surgery, or with thin electrodes ...

In the latest work, the researchers have presented a quantitative, low-cost electrode array for determining potassium levels in food and pharmaceuticals, which is a step forward in precise ...