Detectors

Backup System Can Keep an Airplane on Course When It Cannot Rely on GPS Satellites

Dangling from a weather balloon 80,000 feet above New Mexico, a pair of antennas sticks out from a Styrofoam cooler. The antennas are listening for signals...

AI-Trained Vehicles Can Adjust to Extreme Turbulence on the Fly

In nature, flying animals sense coming changes in their surroundings, including the onset of sudden turbulence, and quickly adjust to stay safe. Engineers who design aircraft...

How Much Do You Know About Energy Harvesting?

Energy harvesting is an increasingly important technology. It’s important in many different fields, from the Internet of Things to medicine and beyond. How much do you know about energy harvesting? Test your knowledge with this quiz.

Electrochemical Sensors Based on Enzyme-Linked Immunosorbent Assay

Researchers at NASA Ames Research Center developed an electrochemical, bead-based biological sensor based on Enzyme-Linked Immunosorbent Assay (ELISA) combining a magnetic concentration of signaling molecules and electrochemical amplification using wafer-scale fabrication of microelectrode arrays. Read on to learn more.

Ultra-Sensitive Lead Detector Could Improve Water Quality Monitoring

Engineers have developed an ultra-sensitive sensor made with graphene that can detect extraordinarily low concentrations of lead ions in water. The device achieves a record limit of detection of lead down to the femtomolar range, which is one million times more sensitive than previous sensing technologies. Read on to learn more.

Autonomous Aerial Robots Prioritize Rooms in Multiroom Exploration

An estimated 100 earthquakes worldwide cause damage each year. This damage includes collapsed buildings, downed electrical lines and more. For first responders, assessing...

Robot Planning Tool Accounts for Human Carelessness

A new algorithm may make robots safer by making them more aware of human inattentiveness.

Hardy Transistor Material Could be a Game-Changer for Nuclear Reactor Safety Monitoring

The safety and efficiency of a large, complex nuclear reactor can be enhanced by hardware as simple as a tiny sensor that monitors a cooling system....

Creating the Self-Healing Grid of the Future

It’s not hard to imagine the potential value of a self-healing grid, one able to adapt and bounce back to life, ensuring uninterrupted power even when assailed by a hurricane or a group of bad...

Opening Up the Potential of Thin-Film Electronics for Flexible Chip Design

Silicon semiconductors have become the ‘oil’ of the computer age, as was demonstrated recently by the chip shortage crisis. However, one of the disadvantages of...

New Semiconductor Detector Shows Promise for Medical Diagnostics

Detector can identify radioactive isotopes with high resolution.

Building Bionic Jellyfish for Ocean Exploration

Jellyfish can't do much besides swim, sting, eat, and breed. They don't even have brains. Yet, these simple creatures can easily journey to the depths of the oceans in a way that humans,...

Bringing Together Real-World Sensors and VR to Improve Building Maintenance

A new system that brings together real-world sensing and virtual reality would make it easier for building maintenance personnel to identify and fix issues in...

This Tiny, Tamper-Proof ID Tag Can Authenticate Almost Anything

A few years ago, MIT researchers invented a cryptographic ID tag that is several times smaller and significantly cheaper than the traditional radio frequency tags (RFIDs) that...

How Much Do You Know About Counter UAS Technology?

Development of new Counter UAS technologies is expanding across the global Aerospace and Defense industry. Test your knowledge of counter UAS technology with this quiz.

Self-Powered Sensor Automatically Harvests Magnetic Energy

MIT researchers have developed a battery-free, self-powered sensor that can harvest energy from its environment.

Network of Robots Can Successfully Monitor Pipes Using Acoustic Wave Sensors

An inspection design method and procedure by which mobile robots can inspect large pipe structures has been demonstrated with the successful inspection of multiple...

MIT Engineers Design a Robotic Replica of the Heart’s Right Chamber

MIT engineers have developed a robotic replica of the heart’s right ventricle, which mimics the beating and blood-pumping action of live hearts.

Scientists Amplify Superconducting Sensor Array Signals Near the Quantum Limit

Understanding how energy moves in materials is fundamental to the study of quantum phenomena, catalytic reactions, and complex proteins. Measuring how energy...

Novel Approach to Advanced Electronics and Data Storage with Ferroelectricity

New research from Flinders University and UNSW Sydney, published in ACS Nano, explores switchable polarization in a new class of silicon compatible metal oxides...

Use SLEAP to Track Sheep — or any Other Animal

The desire to understand how the brain generates and patterns behavior has driven rapid methodological innovation in tools to quantify natural animal behavior.

AI Yields ‘Athletically Intelligent’ Robotic Dog

Someday, when quakes, fires, and floods strike, the first responders might be packs of robotic rescue dogs rushing in to help stranded souls. These battery-powered quadrupeds would use...