| Water drop antenna lens directs radio wave energy through its curved shape |
| Water drop antenna lens directs radio wave energy through its curved shape https://phys.org/news/2020-01-antenna-lens-radio-energy.html https://translate.google.com/translate?hl=&sl=en&tl=pl&u=https%3A%2F%2Fphys.org%2Fnews%2F2020-01-antenna-lens-radio-energy.html&sandbox=1 |