A fully integrated 3-D ultrasonic fingerprint sensor-on-a-chip is presented. The device consists of a 110× 56 piezoelectric micromachined ultrasonic transducer (PMUT) array bonded at the wafer level ...

Ultrasonic fingerprint sensors are taking smartphone security to the next level, offering reliable and fast unlocking even in less-than-ideal conditions. If you’re interested in experiencing ...

This work investigates the potential of using simple inline no-core fiber (NCF)-based multipoint acoustic sensors providing high frequency bandwidth and dynamic range for ultrasonic guided waves and ...

In short, I'm looking for the best vibe coding tools for beginners, not more advanced tools like Cursor or Windsurf. For these tests, I used GPT-5, Claude 4.1 Opus, and Grok 4 (Expert).

The sensors emit ultrasonic pulses toward the ground and calculate the height of a flood by measuring the time they take to hit water. That data is delivered to an interactive map.

Optical sensors articles from across Nature Portfolio Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient ...

Apple Watch Blood Oxygen Sensor Returns: How to Use It and What It Can Tell You About Your Health The smartwatch's Blood Oxygen app lets you measure the oxygen level of your blood on-demand. It's ...

The sensor works by constantly capturing and releasing sweat, with a sodium sensor which measures the activity of the sweat and a skin temperature sensor.

Click ‘Submit manuscript’ and you will be taken to our online submission system, where you can upload the required files and check on the status of your manuscript after submission. You will ...