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. Midjourney Full Body Ultrasonic CT Scanner (www.midjourney.com)
   83 points by lnyan 21 days ago | 5 comments
2. Show HN: Ultrasonic 3D motion capture (Orientator) (hackaday.io)
   2 points by optimized75 11 days ago | discuss
3. Rust: First safety-certified embedded system (www.sonair.com)
   2 points by torotime 5 days ago | 1 comments
4. Ultrasonic Chef's Knife (seattleultrasonics.com)
   824 points by hemloc_io 10 months ago | 671 comments
5. Ultrasonic deep drawing cuts friction by 20%, extends tool lifespan (techxplore.com)
   109 points by PaulHoule over 1 year ago | 29 comments
6. High Frequency Food: Better Cutting with Ultrasonics (hackaday.com)
   47 points by zdw over 1 year ago | 23 comments
7. First Ultrasonic Chef's Knife Vibrates 40,000X/Second for Easy Cutting (www.cnet.com)
   36 points by randfish 10 months ago | 20 comments
8. Ultrasonic device dramatically speeds harvesting of water from the air (news.mit.edu)
   25 points by bookofjoe 7 months ago | 10 comments
9. Soft Metalens for Broadband Ultrasonic Focusing Through Aberration Layers (www.nature.com)
   16 points by bookofjoe over 1 year ago | 2 comments
10. Ultrasonic device dramatically speeds harvesting of water from the air (news.mit.edu)
    15 points by geox 8 months ago | 1 comments
11. Ultrasonic Chips Could Cut Interference in the IoT (spectrum.ieee.org)
    14 points by abe94 almost 2 years ago | 5 comments
12. The case against ultrasonic humidifiers (dynomight.net)
    12 points by arbuge 5 months ago | 4 comments
13. Ultrasonic Brain Treatment May Reverse Memory Loss–and Even Prevent Alzheimer's (www.popularmechanics.com)
    8 points by happyopossum 9 months ago | 2 comments
14. Ultrasonic device dramatically speeds harvesting of water from the air (news.mit.edu)
    5 points by gmays 8 months ago | discuss
15. The First Ultrasonic Chef's Knife for Home Cooks (www.youtube.com)
    5 points by kevinak 10 months ago | discuss
16. Ask HN: What are your thoughts on ultrasonic knives?
    4 points by aaron695 11 months ago | 1 comments
17. Audible enclaves crafted by nonlinear self-bending ultrasonic beams (www.pnas.org)
    4 points by bookofjoe about 1 year ago | 1 comments
18. Ultrasonic Welding of Garnet Solid Electrolytes to Lithium Metal (dx.doi.org)
    4 points by PaulHoule 3 months ago | discuss
19. xMEMS Ultrasonic Coolers for Power Hungry Transceivers (spectrum.ieee.org)
    4 points by WaitWaitWha about 1 year ago | discuss
20. High-efficiency atmospheric water harvesting enabled by ultrasonic extraction (www.nature.com)
    3 points by taubek 8 months ago | 1 comments
21. Show HN: Visualizing sound waves with a custom Pico 2W ultrasonic phased array (www.youtube.com)
    3 points by PaulGilli about 1 month ago | discuss
22. Show HN: AI agents that communicate via ultrasonic frequencies (96% cheaper) (github.com)
    3 points by nil4s3 5 months ago | discuss
23. High-efficiency atmospheric water harvesting enabled by ultrasonic extraction (www.nature.com)
    3 points by PaulHoule 7 months ago | discuss
24. Going a Step Beyond Ultrasonic Sensors (www.aptiv.com)
    3 points by ohjeez 8 months ago | discuss
25. Bat Detector Reviews: Dodotronic UltraMic Evo 384K Ultrasonic USB Microphone (batdetecting.blogspot.com)
    3 points by walterbell over 1 year ago | discuss
26. First gigahertz ultrasonic circuit that uses the principle of topology (group.ntt)
    3 points by sohkamyung almost 2 years ago | discuss
27. Full-Scale Ultrasonic Clothes Washer/Dryer Evaluation Results (2025)[pdf] (ttu-ir.tdl.org)
    2 points by kelseyfrog 3 months ago | discuss
28. Electric plasma guided with ultrasonic fields (www.science.org)
    2 points by gnabgib about 1 year ago | discuss
29. EEVblog – Glass ultrasonic delay lines – pictures (www.eevblog.com)
    2 points by YZF almost 2 years ago | discuss
30. Electric plasma guided with ultrasonic fields (www.science.org)
    1 points by akshatjiwan 4 months ago | discuss
31. Skin-conformal ultrasonic sensor for cuffless blood pressure sensing (www.nature.com)
    1 points by PaulHoule 5 months ago | discuss
32. Ultrasonic device efficiently removes salt from sea sand for construction use (techxplore.com)
    1 points by Brajeshwar 11 months ago | discuss
33. Build a Parking sensor with ESP32 board, LEDs and Ultrasonic distance sensor (www.poeticoding.com)
    1 points by Bogdanp 11 months ago | discuss