Sensors & Test

Silent Sentry: A Software-Defined Passive Sensor for Counter-Stealth and Battlefield Survivability

Silent Sentry is a software system that transforms existing passive microwave sensors into advanced threat detectors. The system is based on Passive Microwave Radiometry (PMR), which “listens” for the faint, naturally emitted thermal radiation from all objects. Read on to learn more about Silent Sentry, which was the Aerospace & Defense finalist at the 2025 Create the Future Design contest.

5Ws of the 3D Ultrasonic Sensor

Norway-based startup Sonair has developed a 3D ultrasonic sensor that uses sound waves in air to give robots a precise, real-time 3D view of their surroundings, helping them operate safely in shared spaces.

A New Magnetic Transistor for More Energy-Efficient Electronics

Transistors, the building blocks of modern electronics, are typically made of silicon. Because it’s a semiconductor, this material can control the flow of electricity in a...

A New Material That Could Change Electronics

A research team led by physicists Ming Yi and Emilia Morosan from Rice University has developed a new material with unique electronic properties that could enable more powerful and...

New Transmitter Could Make Wireless Devices More Energy-Efficient

Researchers from MIT and elsewhere have designed a novel transmitter chip that significantly improves the energy efficiency of wireless communications, which could boost the...

Wi-Fi Signals Can Measure Heart Rate — No Wearables Needed

Traditionally, measuring heart rate requires some sort of wearable device, whether that be a smart watch or hospital-grade machinery. But new research from engineers at the...

Product of the Month

See the product of the month: Phoenix Contact's NearFi, a contactless real-time transmission technology.

New on the Market

See what's new on the market, including the eddyNCDT 3005 from Micro-Epsilon; Instron's new iteration of its Bluehill® Central software platform; Novotechnik U.S.'s TE1 Series of absolute linear position sensors; Specialised Imaging's new high-intensity short duration flash designed to freeze motion in aeroballistic applications; and more.

How a Startup Is Reducing Carbon from Building Operations with Drones

Buildings are big energy consumers, emitting wasteful carbon, contributing to a warming planet, and accounting for more than 40 percent of the world’s carbon dioxide emissions. Fortunately, a new startup is paving the way for dramatic reductions in carbon from building operations. Lamarr. AI has perfected the process of using drones, thermal imaging, and artificial intelligence (AI) to diagnose the health of building exteriors and roofs. Read on to learn more.

Low-Cost Technology for Detecting, Measuring Lead Concentrations in Water

Engineers at MIT, Nanyang Technological University, and several companies have developed a compact and inexpensive technology for detecting and measuring lead concentrations in water, potentially enabling a significant advance in tackling this persistent global health issue. Read on to learn more.

A Smart Sensor Patch to Detect Health Symptoms

A research team from Japan has fabricated a flexible multimodal wearable sensor patch and developed edge computing software that is capable of detecting arrhythmia, coughs, and falls in volunteers. Read on to learn more about the sensor, which uses a smartphone as the edge computing device.

Nanoparticles-Based Wearable Biosensors

A team of Caltech engineers has developed a technique for inkjet printing arrays of special nanoparticles that enables the mass production of long-lasting wearable sweat sensors. These sensors could be used to monitor a variety of biomarkers, such as vitamins, hormones, metabolites, and medications, in real time. Read on to learn more.

Fiber Optic Sensing Technologies

Known as FOSS (for fiber optic sensing system), NASA’s technology portfolio combines advanced sensors and innovative algorithms into a robust package that accurately and cost-effectively monitors a host of critical parameters in real time. Read on to learn more.

Novel Flexible Terahertz Camera Can Inspect Objects with Diverse Shapes

A team of researchers from Tokyo Tech, led by Associate Professor Yukio Kawano, has designed a flexible and free-standing THz sensor array that can be used to image blind ends of irregularly shaped objects. Read on to learn more about it.

Meet SMSPDs: Superconducting Microwire Single-Photon Detectors

Plans are underway to create more powerful particle accelerators, whose collisions will unleash large subatomic storms. How will researchers sift through the chaos? Read on to find out.

How to Optimize Self-Powered Sensing

MIT researchers have developed a method that anyone can use to design an energy management interface between the harvester and the sensor load to minimize the drain on the harvester and maximize the amount of data that can be transmitted by the sensor. Read on to learn more via this Q&A with Daniel Monagle and Steven B. Leeb.

Implementing Predictive Maintenance

Predictive maintenance is based on condition monitoring, anomaly detection, and classification algorithms, and integrates predictive models which can estimate the remaining machine runtime. Read on to learn more about it and how to implement it.

New Products

See the new products, including the VITA 93 QMC Mezzanine Modules from Acromag; fiber-optic sensors of the optoCONTROL CLS1000 series from Micro-Epsilon; AW-Lake's TG Series Gas Turbine Flow Meter; NewTek Sensors' advanced Linear Variable Differential Transformer specifically designed to withstand the extreme environments found in next-gen molten salt reactors; and more.

Low-Power Hydrogen Sensor Detects Leaks in an Instant

KAUST researchers have invented a robust, highly sensitive, low-cost hydrogen sensor that outperforms available commercial detectors, offering a vital safeguard for the burgeoning hydrogen economy. Read on to learn more.

Better Images for Humans and Computers

Maksym Kovalenko and his team have proposed a novel solution that allows them to utilize every photon of light for color recognition. For nearly a decade, they have been researching perovskite-based image sensors. In a new study published in Nature, they show that their new technology works. Read on to learn more.

FAU Engineers Design New Autonomous System to Monitor Arctic Ice Melt

Researchers from the College of Engineering and Computer Science at Florida Atlantic University have proposed a design for an alternative, autonomous observational method, which holds promise for improving the autonomy of marine vehicles, aiding in maritime missions, and gaining a deeper understanding of how melting Arctic sea ice affects marine ecosystems. Read on to learn more.

Drones Can Detect Fires and Monitor Greenhouse Gas Emissions

Forest fire prevention and control agencies in São Carlos, in the interior of the state of São Paulo, Brazil, will soon have help from the sky to detect fires more quickly and combat them before they grow out of control, as researchers at the University of São Paulo are developing drones equipped with gas sensors and artificial intelligence systems to detect forest fires.