Sensors

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.

Products of Tomorrow

Head-up displays, health-monitoring sensors from NASA, and a pollen sponge.

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.

New Products

Uncooled Thermal Lens British threat detection specialist Silent Sentinel (Hertfordshire, UK) has expanded its Aeron Ranger suite of cameras to include a brand-new 25-150mm Long Wavelength Infrared (LWIR) uncooled thermal lens,...

Facility Focus: Princeton University School of Engineering and Applied Science

Notable graduates of the school include Amazon CEO and founder Jeff Bezos, Google executive Eric Schmidt, Internet pioneer Bob Kahn, former Chrysler head Lee Iacocca, and six NASA astronauts.

New on the Market: May 2021

Cable ties, milling software, snap-action switches, and more.

Q&A: Platform Converts Headphones from 'Dumb' to 'Smart'

Rutgers researcher Xiaoran Fan developed a "HeadFi" method that uses ordinary headphones as sensors.

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.

Novel Flexible Terahertz Camera Can Inspect Objects with Diverse Shapes

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

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.

Preventing Heat-Induced Image Warping in Machine Vision Line Scan Cameras

A heat source near the optical path can introduce image warping that locally shifts the position of the image content. Learn how to fix the flaw.

Paper-Based Sensor Detects COVID-19 in Minutes

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

5 Ws of Robot Healthcare Helpers

A research team programmed two robots — a humanoid figure and a robotic arm — to measure human physiological signals.

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.

Ultra-Sensitive Flow Microsensors

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

Turning Diamond into Metal

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

Hybrid Propellant Formulation Uses Graphene Foams

This method increases burn rate of solid propellants.

Passive Polarized Fiber Optic Sensing

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

System Helps Drones Detect and Avoid Power Lines

This technology provides drones sufficient time and distance to react, avoid wires, and navigate follow-on maneuvers.

Extreme Low-Frequency Hydrophone

Applications include monitoring of earthquakes and tsunamis as well as manmade infrasonic sources such as boats.

Chip Delivers COVID-19 Test Results on a Smartphone

Programmed magnetic nanobeads are used to detect the virus in 55 minutes or less.

Device Measures Toxic Lead in Minutes

The portable lab-on-a-chip detects many contaminants in water supplies.