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. Show HN: Ultrasync – faster indexing, search, memory, and more for coding agents (ultrasync.dev)
   2 points by darvid 5 days ago | discuss
2. Ultrasonic Chef's Knife (seattleultrasonics.com)
   824 points by hemloc_io 4 months ago | 671 comments
3. Ultrasonic investigations in shopping centres (www.windytan.com)
   351 points by GolDDranks over 1 year ago | 139 comments
4. Ultrasonic deep drawing cuts friction by 20%, extends tool lifespan (techxplore.com)
   109 points by PaulHoule 10 months ago | 29 comments
5. Ultrasonic Coffee (www.theguardian.com)
   108 points by alkyon over 1 year ago | 90 comments
6. High Frequency Food: Better Cutting with Ultrasonics (hackaday.com)
   47 points by zdw 10 months ago | 23 comments
7. First Ultrasonic Chef's Knife Vibrates 40,000X/Second for Easy Cutting (www.cnet.com)
   36 points by randfish 4 months ago | 20 comments
8. Ultrasonic device dramatically speeds harvesting of water from the air (news.mit.edu)
   25 points by bookofjoe about 1 month ago | 10 comments
9. Soft Metalens for Broadband Ultrasonic Focusing Through Aberration Layers (www.nature.com)
   16 points by bookofjoe about 1 year ago | 2 comments
10. Ultrasonic device dramatically speeds harvesting of water from the air (news.mit.edu)
    15 points by geox about 2 months ago | 1 comments
11. Ultrasonic Chips Could Cut Interference in the IoT (spectrum.ieee.org)
    14 points by abe94 over 1 year ago | 5 comments
12. Ultrasonic Brain Treatment May Reverse Memory Loss–and Even Prevent Alzheimer's (www.popularmechanics.com)
    8 points by happyopossum 3 months ago | 2 comments
13. Ultrasonic Coffee – Does it taste good? (www.theguardian.com)
    7 points by pookieinc over 1 year ago | 1 comments
14. Ultrasonic device dramatically speeds harvesting of water from the air (news.mit.edu)
    5 points by gmays about 2 months ago | discuss
15. The First Ultrasonic Chef's Knife for Home Cooks (www.youtube.com)
    5 points by kevinak 4 months ago | discuss
16. Ask HN: What are your thoughts on ultrasonic knives?
    4 points by aaron695 5 months ago | 1 comments
17. Audible enclaves crafted by nonlinear self-bending ultrasonic beams (www.pnas.org)
    4 points by bookofjoe 8 months ago | 1 comments
18. xMEMS Ultrasonic Coolers for Power Hungry Transceivers (spectrum.ieee.org)
    4 points by WaitWaitWha 8 months ago | discuss
19. High-efficiency atmospheric water harvesting enabled by ultrasonic extraction (www.nature.com)
    3 points by taubek about 1 month ago | 1 comments
20. High-efficiency atmospheric water harvesting enabled by ultrasonic extraction (www.nature.com)
    3 points by PaulHoule about 1 month ago | discuss
21. Going a Step Beyond Ultrasonic Sensors (www.aptiv.com)
    3 points by ohjeez 2 months ago | discuss
22. Bat Detector Reviews: Dodotronic UltraMic Evo 384K Ultrasonic USB Microphone (batdetecting.blogspot.com)
    3 points by walterbell 9 months ago | discuss
23. First gigahertz ultrasonic circuit that uses the principle of topology (group.ntt)
    3 points by sohkamyung over 1 year ago | discuss
24. Capacitive Micromachined Ultrasonic Transducers (CMUT) (www.engineeringsolutions.philips.com)
    3 points by teleforce over 1 year ago | discuss
25. Electric plasma guided with ultrasonic fields (www.science.org)
    2 points by gnabgib 9 months ago | discuss
26. EEVblog – Glass ultrasonic delay lines – pictures (www.eevblog.com)
    2 points by YZF over 1 year ago | discuss
27. The case against ultrasonic humidifiers (dynomight.net)
    2 points by lwhsiao over 1 year ago | discuss
28. Noninvasive ultrasonic neurostimulation for high-quality vision restoration (www.nature.com)
    2 points by bookofjoe over 1 year ago | discuss
29. Tiger beetles fight off bat attacks with ultrasonic mimicry (phys.org)
    2 points by PaulHoule over 1 year ago | discuss
30. Tiger beetles fight off bat attacks with ultrasonic mimicry (phys.org)
    2 points by wglb over 1 year ago | discuss
31. Ultrasonic device efficiently removes salt from sea sand for construction use (techxplore.com)
    1 points by Brajeshwar 5 months ago | discuss