Photo by <a href="https://unsplash.com/@seffen99?utm_source=instant-images&utm_medium=referral" target="_blank" rel="noopener noreferrer">Sven Brandsma</a> on <a href="https://unsplash.com" target="_blank" rel="noopener noreferrer">Unsplash</a>
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The Surprising Glide of Ions Trapped on Solid Surfaces
Who hasn’t rubbed a balloon on their hair only to see it stick to a wall afterward? This childhood experiment illustrates triboelectricity, a phenomenon in which simple contact or friction…
