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. Ultrasonic Chips Could Cut Interference in the IoT (spectrum.ieee.org)
   3 points by abe94 4 days ago | discuss
2. First gigahertz ultrasonic circuit that uses the principle of topology (group.ntt)
   3 points by sohkamyung 5 days ago | discuss
3. EEVblog – Glass ultrasonic delay lines – pictures (www.eevblog.com)
   2 points by YZF 20 days ago | discuss
4. Ultrasonic investigations in shopping centres (www.windytan.com)
   351 points by GolDDranks 3 months ago | 139 comments
5. Why Tesla removed radar and ultrasonic sensors [video] (www.youtube.com)
   241 points by shekhar101 almost 2 years ago | 471 comments
6. Tesla Vision Update: Replacing Ultrasonic Sensors with Tesla Vision (www.tesla.com)
   204 points by dagmx almost 2 years ago | 336 comments
7. Ultrasonic Coffee (www.theguardian.com)
   108 points by alkyon 4 months ago | 90 comments
8. After cutting radar, Tesla now dropping ultrasonic sensors from its EVs (arstechnica.com)
   73 points by bpierre almost 2 years ago | 65 comments
9. Neuromorphic object localization using resistive memory, ultrasonic transducers (www.nature.com)
   47 points by rntn almost 2 years ago | 9 comments
10. Plants let out an ultrasonic scream when their leaves are cut (www.businessinsider.com)
    42 points by hitr over 1 year ago | 2 comments
11. Measure wind speed and direction with ultrasonic anemometer and Arduino (how2electronics.com)
    27 points by momirlan about 1 year ago | 12 comments
12. Plants emit ultrasonic sounds in rapid bursts when stressed, scientists say (www.theguardian.com)
    11 points by marban over 1 year ago | 2 comments
13. Ultrasonic Coffee – Does it taste good? (www.theguardian.com)
    7 points by pookieinc 4 months ago | 1 comments
14. After cutting radar, Tesla now dropping ultrasonic sensors from its EVs (arstechnica.com)
    6 points by tosh almost 2 years ago | discuss
15. After cutting radar, Tesla now dropping ultrasonic sensors from its EVs (arstechnica.com)
    5 points by gnicholas almost 2 years ago | 3 comments
16. Plants emit ultrasonic sounds in rapid bursts when stressed, scientists say (www.theguardian.com)
    5 points by yamrzou over 1 year ago | discuss
17. Coming 'ultrasonic' revolution could change wireless earbuds forever (www.cultofmac.com)
    4 points by CharlesW 10 months ago | discuss
18. Ultrasonic Acoustic Attack Targeting Microphones and Voice Assistants (thedebrief.org)
    4 points by DerekBickerton over 1 year ago | discuss
19. The case against ultrasonic humidifiers (dynomight.net)
    3 points by ctoth 11 months ago | 1 comments
20. Capacitive Micromachined Ultrasonic Transducers (CMUT) (www.engineeringsolutions.philips.com)
    3 points by teleforce 4 months ago | discuss
21. Ultrasonic lens cleaning: A solid-state technology you didn’t know you needed (e2e.ti.com)
    3 points by zdw over 1 year ago | discuss
22. DIY Ultrasonic Dog Repeller: Keeping Canines Away (www.wellpcb.com)
    2 points by thunderbong over 1 year ago | 2 comments
23. The case against ultrasonic humidifiers (dynomight.net)
    2 points by lwhsiao 2 months ago | discuss
24. Noninvasive ultrasonic neurostimulation for high-quality vision restoration (www.nature.com)
    2 points by bookofjoe 4 months ago | discuss
25. Tiger beetles fight off bat attacks with ultrasonic mimicry (phys.org)
    2 points by PaulHoule 4 months ago | discuss
26. Tiger beetles fight off bat attacks with ultrasonic mimicry (phys.org)
    2 points by wglb 4 months ago | discuss
27. New ultrasonic technique can destroy toxic "forever chemicals" (www.freethink.com)
    2 points by Brajeshwar 10 months ago | discuss
28. The Future Sounds (When Employing Ultrasonic Speaker Technology) (www.eejournal.com)
    2 points by JoachimS about 1 year ago | discuss
29. A Super-Size Functional Tribute to an Ultrasonic Sensor (hackaday.com)
    1 points by stareatgoats 4 months ago | discuss
30. Ultrasonic Bonding: How It Works and Applications (www.laserax.com)
    1 points by teleforce 7 months ago | discuss
31. Ultrasonic Transformers: Towards a Noetic Frontier (www.blog.propheticai.co)
    1 points by TheBlapse 9 months ago | discuss
32. Detecting Bats with an Ultrasonic Sensor and Software Defined Radio (www.rtl-sdr.com)
    1 points by kungfudoi about 1 year ago | discuss
33. Stretchable wearable ultrasonic arrays 3D map tissues up to 4 cm beneath skin (www.nature.com)
    1 points by bookofjoe over 1 year ago | discuss