Sound fire extinguisher

thingiverse

Ever wanted to tame flames with sound waves? You can now! This device uses acoustic energy to extinguish fires. All you need is a <a href="https://www.aliexpress.com/item/ssdfly-A10-Metal-Mini-Wireless-Bluetooth-Speaker-Subwoofer-Microphone-TF-Card-MP3-Music-Player-Speaker-Compatible/32835283445.html?spm=2114.search0104.3.308.2e98fa64XYQn1w&ws_ab_test=searchweb0_0,searchweb201602_3_10065_10068_319_317_10696_10084_453_10924_10083_454_10925_10926_10618_10920_10921_10307_10922_10820_10821_10303_537_536_5733215_5733315_10059_10884_5733115_10887_100031_5733415_321_322_10103_5733515_5733615,searchweb201603_51,ppcSwitch_0&algo_expid=7c601a10-e3a9-464c-9627-3735254c69d4-39&algo_pvid=7c601a10-e3a9-464c-9627-3735254c69d4">bluetooth speaker</a> that you can purchase for just 4$. Of course, the speaker itself cannot extinguish fires. You must focus its energy. That's when the 3D printer comes to play a crucial role. This 3D printed part concentrates acoustic energy into a small space, making the speaker more powerful. So, here's what you need to do: Download a frequency generator app onto your phone, connect the speaker to your phone, and set the output frequency to 312Hz. Now, you should be able to extinguish a candle flame from just 5cm away with this device.