How to write in water?
![](https://superinnovators.com/wp-content/uploads/2023/08/Low-Res_08_physik_schrift-in-wasser-e1693528531881.jpg)
From North Carolina State University 01/09/23 Researchers at Mainz University, TU Darmstadt, and Wuhan University overcome fundamental obstacles for writing and drawing lines, letters, and complex patterns within the bulk of a liquid. Writing is an age-old cultural technique. Thousands of years ago, humans were already carving signs and symbols into stone slabs. Scripts have […]