Communications

Four-Legged 'Swarm' Robots Traverse Tough Terrain — Together

Forget puzzles — In the early days of quarantine, Notre Dame professor and robotics engineer Yasemin Ozkan-Aydin used the time at home to put together robots.

Two-Dimensional Hybrid Metal Halide Device Allows Control of Terahertz Emissions

Researchers have utilized two-dimensional hybrid metal halides in a device that allows directional control of terahertz radiation generated by a spintronic...

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.

5 Ws of the COVID-Detecting Facemask

Who

The SARS-CoV-2 virus that causes COVID-19 is still a major threat to public health. Wearing a facemask is a step in protecting against infection; the new facemask also diagnoses the wearer with...

New on the Market: October 2021

Battery-pack test systems, data management, connector clips, and more.

Method Integrates Elements of Electronic Filters onto a Single Component

This component takes up ten times less space on computer chips.

System Harvests Energy from Radio Waves to Power Wearable Devices

The electricity can be used to power wireless devices or to charge energy storage devices such as batteries and supercapacitors.

Coherent Optical Transistor

Applications include telecommunications, optical switching, and quantum computing.

Sensing Hazardous Gases Can Save Lives

Pellistor/Catalytic Bead (CB) sensors can respond to flammable gases such as hydrogen, oxygen, hydrogen sulfide, methane, butane, propane, and carbon monoxide.

What Will 5G Do for the IoT/IIoT?

To find out about the impact of 5G mobile broadband service on the IoT/IIoT, I interviewed Jai Suri, Vice President, IoT and Blockchain Applications Development, Oracle, and Mike Anderson, Embedded Systems...

Tiny, Wireless, Injectable Chips Use Ultrasound to Monitor Body Processes

Implantable chips visible only in a microscope point the way to developing chips that can be injected into the body with a hypodermic needle to monitor medical conditions.

New Products: October 2021 Sensor Technology

Laser-distance sensors, light monitoring, flow meters, and more.

Energy Harvesting Can Enable 1 Trillion Battery-Free Sensors in the IoT

A tiny investment in system capital expenditures can lead to huge rewards in reduced capital and operating expenses.

Chemistry Approach for More Robust Soft Electronics

The approach could lead to more flexible health monitors, wearable devices, sensors, optical communication systems, and soft robotics.

Atom-Based Radio Communications

An atom-based sensor can determine the direction of an incoming radio signal.

UpFront: September 2021 Tech Briefs

NASA Washing Machine Designs Go for a Spin

Right now, there is no laundry service in space.

Astronaut garments aren’t washed. They are put onto ships that burn up in the...

Multiplexed Optical Antennas

These antennas dramatically increase the amount of information that can be simultaneously transmitted by a coherent light source.

Conformal, Lightweight, Aerogel-Based Antenna

The flexible antenna was designed for active aeronautical satellite communications.

Wearable Sensor Helps ALS Patients Communicate

A skin-like device can measure small facial movements in patients who have lost the ability to speak.

Wireless, Wearable Transmitter

The wearable antenna bends, stretches, and compresses without compromising function.

Technology Enables Digital Communication Through Touch

The technology would enable transmission of information just by touching a surface.

Optimizing 5G Fiber Optic Filament Production

Ball screws are helping manufacturers meet the growing demand for fiber optic cables generated by 5G communications.

Cloud-Connected, Battery-Based IoT Devices Last Years Longer

Demand for wireless IoT cloud-connected devices is growing rapidly, yet deploying Wi-Fi battery-based products is difficult.

Human Reflexes Keep Two-Legged Robot Upright

The robot can walk, run, jump, and interact with the environment in synchrony with a human operator.