Writing into Water? Scientists Discover a Way to Do it Using Pen and Ink
Scientists have found a way to write directly into water, one that does not require a surface to do it on.
Source: techtimes.com
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Scientists have found a way to write directly into water, one that does not require a surface to do it on.
German physicists used an ion-exchange microbead as a very tiny "pen."
There are several perfectly good reasons why water isn't a popular medium for calligraphers to write in.
Science you might have overlooked last week, because it was so tiny: micro-spikes skewer superbugs, writing in water, ant wars, and a tiny robot that can squish itself into tight spaces.