Students Develop a Device to Measure Water Quality in Africa
the idea on their own and spent a year developing it in their spare time. One of the group, TheodorHillebrand, had learned about a cost-effective water treatment method used in the equatorial regions of [...] about developing a measuring device to show when the water is really ready for drinking”, says TheodorHillebrand, the man who came up with the idea. He then started to put his idea into practice with the [...] can’t read What was so difficult about developing the measuring device? “Everything”, says TheodorHillebrand with a laugh. And the final product is really quite impressive. Flexible solar cells inside