Conductive face paint can monitor your heart and brain
By replacing rigid metal sensors with flexible, pigmented ink, researchers have created medical electrodes that look like tattoos and function through movement and sweat.
Standard medical electrodes often struggle with the simple reality of human skin. Traditional sensors rely on metal contacts and adhesive gels that can lose their connection when a person moves, sweats, or has body hair. These rigid components create microscopic air gaps between the sensor and the skin's surface, which can degrade the quality of electrical signals from the heart, muscles, or brain.
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