It’s been more than 8 years since researchers found a way to alter a surface so that water would crawl uphill. Now, expanding on that work, they have made individual water drops race across flat, level surfaces at a brisk clip of 3 miles per hour.
It’s been more than 8 years since researchers found a way to alter a surface so that water would crawl uphill. Now, expanding on that work, they have made individual water drops race across flat, level surfaces at a brisk clip of 3 miles per hour.