Sensors & Test

Experimental Hearing Implant Succeeds in Registering Brain Waves

Researchers at KU Leuven have succeeded for the first time in measuring brain waves directly via a cochlear implant.

New Sensor Paves Way to Low-Cost Sensitive Methane Measurements

Recent advances could make it feasible to deploy networks of methane sensors to detect this greenhouse gas at large facilities.

A Better Way to Measure Acceleration

Researchers have developed a millimeter-thick accelerometer.

Monolithic Optical Parametric Oscillator for Laser Spectrometer

Applications include remote sensing, laser spectroscopy, and gas analysis.

Tiny Light Detectors Record the Incoming Angle of Light

These tiny detectors could record characteristics of light such as color, polarity, and angle.

Large Integrated Circuits Produced in a Printing Press

Complete integrated circuits with more than 1,000 organic electrochemical transistors can be screen-printed.

Software Improves Accuracy of 3D-Printed Parts

The software could help reduce cost and waste for companies using additive manufacturing to mass-produce parts in factories.

Vision System Sees Through Clouds and Fog

Movements of individual particles of light are reconstructed to see through clouds, fog, and other obstructions.

Biodegradable Displays for Sustainable Electronics

Thanks to its flexibility and adhesion, the biodegradable display can be worn directly on the hand.

Mode I Fracture Testing Apparatus

The device uses load frames to test bonded structures in aerospace, automotive, defense, and energy storage applications.

LogFire

The software automatically checks mission operations logs.

Radar Enables Touch-Free Monitoring of Heart Sounds

Mobile radar devices could replace standard stethoscopes.

Smartphone-Based Medical Tests

A smartphone, combined with nanoscale porous silicon, enables inexpensive, simple, home diagnostics.

Using Neural Networks for Faster X-Ray Imaging

Artificial intelligence is used to decode X-ray images faster, which could aid innovations in medicine, materials, and energy.

Device Combines Optics and Image Analysis to Count Biomolecules

The promise of personalized medicine involves a simple device that keeps each person apprised of their level of health, identifies even trace amounts of undesirable biomarkers in...

Fully Recyclable Printed Electronics

Nearly 100% of all-carbon-based transistors are reclaimed while retaining future functionality of the materials.

Tiny Wireless Implant Detects Oxygen Deep Within the Body

The device, powered by ultrasound waves, could help doctors monitor the health of transplanted organs and provide early warning of potential transplant failure.

WiFi RSSI Sensor Tracker for the ISS

This software could also be used for indoor navigation assistance for the visually impaired.

Novel Flexible Terahertz Camera Can Inspect Objects with Diverse Shapes

A flexible, free-standing THz sensor array images blind ends of irregularly shaped objects.

RFID-Based Rotary Position Sensor

Innovators have developed an RFID-based system for sensing the angular position of rotating systems. The RFID-Based Rotary Position Sensor can be used as a position/orientation sensor or implemented in a...

Accelerometer and Gyroscope Designs Based on Carbon Nanotube Tape

NASA Marshall Space Flight Center developed designs for two micro-electromechanical systems (MEMS) motion and position sensors: a single-axis accelerometer and a gyroscope....

Biometric Security System Based on the Human Heartbeat

The wearable prototype can stream, in real time, an identifying signature based on the electrical activity of a person's heart.

Paper-Based Sensor Detects COVID-19 in Minutes

The electrochemical sensor can detect the presence of the virus in less than five minutes.

Carbon-Based Air Quality Sensor

This affordable, scalable sensor could be a vital tool in the fight against air pollution and its associated health risks.

Pollen-Based Paper Bends and Curls in Response to Humidity

The paper-like material could be useful in soft robots, sensors, artificial muscles, and electric generators.

Turning Diamond into Metal

Normally an insulator, diamond becomes a metallic conductor when subjected to large strain.

Ultra-Sensitive Flow Microsensors

The sensors could be used in medical applications such as neuroscience and metabolism processes.

Passive Polarized Fiber Optic Sensing

This technique has applications in strain, temperature, pressure, vibration, and acoustic sensing.

Hybrid Propellant Formulation Uses Graphene Foams

This method increases burn rate of solid propellants.