Hackernews posts about Ultrasonic

Ultrasonic is a technology that uses high-frequency sound waves to detect and measure objects or distances, often used in applications such as sensors, payments, and coffee machines.

1. High Frequency Food: Better Cutting with Ultrasonics (hackaday.com)
   47 points by zdw 28 days ago | 23 comments
2. Bat Detector Reviews: Dodotronic UltraMic Evo 384K Ultrasonic USB Microphone (batdetecting.blogspot.com)
   3 points by walterbell 13 days ago | discuss
3. Electric plasma guided with ultrasonic fields (www.science.org)
   2 points by gnabgib about 17 hours ago | discuss
4. Ultrasonic investigations in shopping centres (www.windytan.com)
   351 points by GolDDranks 10 months ago | 139 comments
5. Ultrasonic deep drawing cuts friction by 20%, extends tool lifespan (techxplore.com)
   109 points by PaulHoule about 2 months ago | 29 comments
6. Ultrasonic Coffee (www.theguardian.com)
   108 points by alkyon 11 months ago | 90 comments
7. Measure wind speed and direction with ultrasonic anemometer and Arduino (how2electronics.com)
   27 points by momirlan over 1 year ago | 12 comments
8. Soft Metalens for Broadband Ultrasonic Focusing Through Aberration Layers (www.nature.com)
   16 points by bookofjoe 3 months ago | 2 comments
9. Ultrasonic Chips Could Cut Interference in the IoT (spectrum.ieee.org)
   14 points by abe94 7 months ago | 5 comments
10. Ultrasonic Coffee – Does it taste good? (www.theguardian.com)
    7 points by pookieinc 11 months ago | 1 comments
11. Coming 'ultrasonic' revolution could change wireless earbuds forever (www.cultofmac.com)
    4 points by CharlesW over 1 year ago | discuss
12. The case against ultrasonic humidifiers (dynomight.net)
    3 points by ctoth over 1 year ago | 1 comments
13. First gigahertz ultrasonic circuit that uses the principle of topology (group.ntt)
    3 points by sohkamyung 7 months ago | discuss
14. Capacitive Micromachined Ultrasonic Transducers (CMUT) (www.engineeringsolutions.philips.com)
    3 points by teleforce 11 months ago | discuss
15. EEVblog – Glass ultrasonic delay lines – pictures (www.eevblog.com)
    2 points by YZF 8 months ago | discuss
16. The case against ultrasonic humidifiers (dynomight.net)
    2 points by lwhsiao 10 months ago | discuss
17. Noninvasive ultrasonic neurostimulation for high-quality vision restoration (www.nature.com)
    2 points by bookofjoe 11 months ago | discuss
18. Tiger beetles fight off bat attacks with ultrasonic mimicry (phys.org)
    2 points by PaulHoule 11 months ago | discuss
19. Tiger beetles fight off bat attacks with ultrasonic mimicry (phys.org)
    2 points by wglb 11 months ago | discuss
20. New ultrasonic technique can destroy toxic "forever chemicals" (www.freethink.com)
    2 points by Brajeshwar over 1 year ago | discuss
21. The Future Sounds (When Employing Ultrasonic Speaker Technology) (www.eejournal.com)
    2 points by JoachimS over 1 year ago | discuss
22. Ultrasonic Beams Create Private Sound Pockets (spectrum.ieee.org)
    1 points by stefankuehnel about 1 month ago | discuss
23. A Super-Size Functional Tribute to an Ultrasonic Sensor (hackaday.com)
    1 points by stareatgoats 11 months ago | discuss
24. Ultrasonic Bonding: How It Works and Applications (www.laserax.com)
    1 points by teleforce about 1 year ago | discuss
25. Ultrasonic Transformers: Towards a Noetic Frontier (www.blog.propheticai.co)
    1 points by TheBlapse over 1 year ago | discuss
26. Detecting Bats with an Ultrasonic Sensor and Software Defined Radio (www.rtl-sdr.com)
    1 points by kungfudoi almost 2 years ago | discuss
27. Stretchable wearable ultrasonic arrays 3D map tissues up to 4 cm beneath skin (www.nature.com)
    1 points by bookofjoe almost 2 years ago | discuss
28. Fingerprint scanner on the side, please
    3 points by mouse_ 5 months ago | 1 comments
29. Cold brew coffee in 3 minutes using acoustic cavitation (www.unsw.edu.au)
    537 points by ople 12 months ago | 351 comments
30. Deterring foxes / badgers with TensorFlow, Raspberry Pi, cameras and ultrasound (medium.com)
    15 points by matco11 over 1 year ago | 1 comments
31. Deterring foxes and badgers with TensorFlow Lite (medium.com)
    4 points by defrost over 1 year ago | discuss