US military showed a version in 2012 [1], and there is a DARPA report[2] That said, it's a solid student project. I'm sure she'll do well at university. [1]:

US military showed a version in 2012 [1], and there is a DARPA report[2] That said, it's a solid student project. I'm sure she'll do well at university. [1]: https://www.ifsecglobal.com/uncategorized/soundwaves-a-new-principle-in-fire-suppression/ https://www.ifsecglobal.com/uncategorized/soundwaves-a-new-p... [2]: https://www.esd.whs.mil/Portals/54/Documents/FOID/Reading%20Room/DARPA/13-F-1078_REPORT_FLAME_SUPPRESSION_ACOUSTIC_SUPPRESSION.pdf https://www.esd.whs.mil/Portals/54/Documents/FOID/Reading%20...