Nanoscale Device Points the Way to Future Wireless Communication Channels

In a paper published in the journal Nature Nanotechnology, a team of Caltech engineers reports building a metasurface patterned with miniscule tunable antennas capable of reflecting an incoming beam of optical light to create many sidebands, or channels, of different optical frequencies. Read on to learn more.

‘Attacker’ Device to Protect AVs from Cyberattacks

To help improve the safety and security of AVs, researchers have devised a novel algorithm designed to mimic an attacking device. The algorithm lets researchers identify areas for improvement in autonomous vehicle security.

Printing High-Fidelity Sensors

Printed radio frequency (RF) surface acoustic wave (SAW) sensor devices are a promising technology for providing highly reconfigurable, cost-effective, and multi-parameter sensing.

Automated RF Interference Mitigation System

Innovators from the NASA Glenn Research Center developed a software-based automated RFI mitigation system to increase communication reliability.

Robot Overcomes Uncertainty to Retrieve Buried Objects

A new robotic system fuses visual information and radio-frequency signals to efficiently find hidden items buried under a pile of objects.

2022 Create the Future Design Contest: Electronics/Sensors/IoT Winner - RF Fingerprinting for Industrial IoT Security

Some of the hardest to detect cyber-attacks are wireless, including man-in-the-middle attacks and rogue access points.

5G Strobe Light: NIST Imaging System Spotlights the Tiny Mechanical Hearts at the Core of Every Cellphone

The new NIST instrument captures waves in action by relying on a device known as an optical interferometer.

Robot Senses Hidden Objects

Researchers have developed a robot that uses radio waves, which can pass through walls, to sense occluded objects. The robot, called RF-Grasp, combines this powerful sensing with more traditional computer vision to...

5G Strobe Light: NIST Imaging System Spotlights the Tiny Mechanical Hearts at the Core of Every Cellphone

Inside every cellphone lies a tiny mechanical heart, beating several billion times a second. These micromechanical resonators play an...

Robot Locates and Retrieves Buried Items

This robotic arm fuses data from a camera and antenna to locate and retrieve items buried under piles and completely out of view.

Radio Signals Image Hidden and Speeding Objects

This method could help firefighters find victims inside buildings and could track hypersonic objects such as missiles and space debris.

Fiber-Metal Laminate Manufacturing Technique

Synthesis of fiber-metal laminates is performed using RF plasma spray deposition.

Products of Tomorrow

Water-sensing smartphone screens, a NASA-developed RF switch, and an ultrasound patch.

RF Wireless Power Unleashes the Ubiquity of Sensor Networks

AI will only reach its full potential when it can be fed with a constant stream of data from a plentitude of diverse sources.

Quantum Sensor Enables Wide Spectral Coverage

The sensor could provide a way to detect communication signals over the entire radio frequency from 1 to 100 GHz.

RF Innovations Give Batteries New Life

Low-power radio design is enabling new connected IoT products for consumer, commercial, industrial, and medical markets.

Products of Tomorrow

A cryptographic ID tag, a high-reliability NASA switch, and a stretchable thermoelectric generator...

High-Reliability Radio Frequency MEMS Switch

Applications include homeland security, vehicle anti-collision systems, telecommunications systems, and industrial instrumentation.

Wireless Movement-Tracking System Uses Low-Power Radio Frequency Signals

In some cases, radio frequency signals may be more useful for caregivers than cameras or other methods to collect health and behavioral data.

Wireless Transceiver Quadruples Speed of 5G

A new wireless transceiver was developed that boosts radio frequencies into 100-gigahertz territory, which is quadruple the speed of the upcoming 5G, or fifth-generation, wireless communications...

High-Performance, Current-Steering Digital-to-Analog Converter

A current-steering digital-to-analog converter (DAC) was developed that achieves improved switching times (up to 75% faster) in high-speed (gigahertz), high-resolution (8-14 bits)...

The Teletenna — a Hybrid Telescope Antenna System

Innovators at NASA’s Glenn Research Center have developed a hybrid telescope antenna system — Teletenna — to deliver high-data-rate communication over great distances. Teletenna has the...

Transmitter Protects Wireless Data from Hackers

Today, more than 8 billion devices are connected around the world, including medical devices, wearables, vehicles, and smart household and city technologies. Those devices are vulnerable to hacker...

Air Force Research Laboratory

The Air Force Research Laboratory (AFRL), headquartered at Wright-Patterson Air Force Base in Ohio, was formed in October 1997 through the consolidation of four former Air Force laboratories and the Air Force...

Multi-Layer Wireless Sensor Construct for Use at Electrically Conductive Material Surfaces

NASA's Langley Research Center has developed a SansEC Sensor technology for use with aerospace fuel delivery systems. The SansEC technology is a patented...

Tiny Injectable Sensor Could Provide Unobtrusive, Long-Term Alcohol Monitoring

Engineers at the University of California San Diego have developed a miniature, ultra-low power injectable biosensor that could be used for continuous, long-term...

Miniature Mass Spectrometer

For decades, mass spectrometers have offered a relatively fast and highly sensitive way to analyze and detect chemical compounds. But their bulky size has been a hindrance, limiting the in-field potential of the...