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Sensors

The latest developments in computer vision, lidar, chemical sensors, and remote sensing
SemiconductorsSensorsNewsClimate Tech

A New Sensor Could Predict Volcanic Eruptions

This shoebox-sized helium sensor is tracking gas levels of Italian volcanoes

3 min read
Lava raining down from the sky at the top of a volcano during an eruption.
A gray-scale photograph showing pillars of varying diameters in an array
SensorsJuly 2023MagazineFeature

Flat Lenses Made of Nanostructures Transform Tiny Cameras and Projectors

Metalenses are finally moving into consumers’ hands

9 min read
A woman with long black hair wearing a white shirt and black pants is standing in front of a white washing machine and white dryer.
CareersSeptember 2024MagazineProfileSensorsConsumer Electronics

Erika Cruz Keeps Whirlpool’s Machines Spinning

She checks out the sensors and subsystems used by millions

4 min read
Katherine Bennell-Pegg: Australia’s First Astronaut Makes History
AerospaceSponsored Article

Katherine Bennell-Pegg: Australia’s First Astronaut Makes History

Discover more about Australia’s growing prominence in space exploration and research

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blue rubber gloved fingers holding onto a clear square with metal rods inside
BiomedicalSensorsNews

Origami Helps Implant Sensors in Bio-Printed Tissue

The technique makes it easier to monitor 3D-printed living structures

2 min read
Why Not Give Robots Foot-Eyes?
RoboticsSensorsNewsJournal Watch

Why Not Give Robots Foot-Eyes?

Can cameras inside of robots’ feet help them walk?

2 min read

Download “The EV Transition Explained” E-book for Free

A 49-page report on the engineering challenges of making and supporting EVs at scale
A silver ball hangs on a power line over a snowy landscape.
EnergySensorsNewsClimate TechClimate Change

Smart Powerline “Neurons” Boost Grid Capacity

Sensor networks enable 40 percent more electricity to pulse through the lines

3 min read
A grassy field with scattered white boxes in the ground, a blue trailer with solar panels, and multiple white greenhouse tents.
EnergySensorsNewsJournal Watch

Agricultural IoT System Sends Power Through the Soil

Tennessee field trials power sensors for just pennies per day

4 min read

Journal Watch

The latest engineering and computer science advances in context from IEEE Spectrum and the Xplore Digital Library
TelecommunicationsNewsJournal Watch

Wi-Fi Goes Long Range on New WiLo Approach

2 min read
A digital rendering of colorful lines running through an aerial view of trees and sparse houses in a rural community.
SemiconductorsAerospaceNewsJournal Watch

Even Gamma Rays Can’t Stop This Memory

4 min read
A green circuit board, connected by wires to an orange external chip and a display showing voltage, current and radiation levels.
Artificial IntelligenceMagazineNovember 2024ComputingNewsJournal Watch

Predicting Malicious Behavior on X Before It Happens

2 min read
Illustration of a man holding a mobile phone with flames coming out of the screen
TransportationArtificial IntelligenceNewsJournal Watch

Autonomous Vehicles Get a Boost to Seeing in the Dark

3 min read
a blue outlined autonomous vehicle driving on a pathway against a black background
AerospaceSeptember 2024MagazineNewsTelecommunicationsJournal Watch

Test Flight Demonstrates Navigation by Cellphone Signals

4 min read
computer flying with green and red lines following behind

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a black cow looking at the camera and 3 lighter colored cows in the background
BiomedicalMagazineSemiconductorsSensorsNewsJune 2024Journal Watch

Injectable Microchip Tracks Animal Health

Heart rate, breathing , movement, and temperature sensing in a 4-mm-wide package

4 min read
A black and gold patterned square on a green background.
SemiconductorsBiomedicalSensorsNewsClimate TechTelecommunications

Tiny Laser Opens Door to Chip-Size Sensors

The new frequency comb could make powerful sensors fit in a phone

3 min read
A set of six micrographs, two black and white and four colorized.
Consumer ElectronicsMagazineSemiconductorsSensorsNewsMarch 2024

Diodes at Right Angles Double Autofocus Capacity

Canon twists photosensor rules to build new tech from familiar parts

3 min read

The Transistor at 75

The past, present, and future of the modern world’s most important invention
See the full collection →
Illustration of a cake with a candle shaped as a transistor symbol
A phot of an outstretched hand with several transistors in the palm of it.
SemiconductorsDecember 2022MagazineThe Transistor at 75FeatureSpecial Reports

How the First Transistor Worked

A chart showing the timeline of when a transistor was invented and when it was commercialized.
SemiconductorsDecember 2022MagazineThe Transistor at 75FeatureHistory of TechnologySpecial Reports

The Ultimate Transistor Timeline

A photo of 3 different transistors.
SemiconductorsDecember 2022MagazineThe Transistor at 75FeatureSpecial Reports

The State of the Transistor in 3 Charts

An image of stacked squares with yellow flat bars through them.
SemiconductorsDecember 2022MagazineThe Transistor at 75FeatureSpecial Reports

3D-Stacked CMOS Takes Moore’s Law to New Heights

Six men and a woman smiling.
SemiconductorsDecember 2022MagazineThe Transistor at 75FeatureSpecial Reports

The Transistor of 2047: Expert Predictions

Consumer ElectronicsNewsComputingSensors

Your Tablet’s Light Sensor Can Spy On You

A tricky hack demonstrates that even seemingly innocuous components can pose risks

4 min read
An photograph of a mannequin head and hand placed in front of a computer screen that is displaying a checkerboard-like pattern
person sitting at a desk with a laptop open and a white mesh bracelet wrapped around their right wrist
BiomedicalSensorsNewsConsumer Electronics

Mesh Wearables Meld Microsensors and LoRa Smarts

Say goodbye to box-and-strap wearable tech of old

3 min read
An overhead photograph of a steaming cup of coffee on a background of coffee beans
Climate TechArtificial IntelligenceSensorsNewsConsumer ElectronicsClimate Change

E-Nose Sniffs Out Coffee Varieties Nearly Perfectly

Like Shazam but for java, the tech can help quantify coffee signatures

3 min read
Principles of PID Controllers
TransportationWhitepaper

Principles of PID Controllers

PID Working Principle and Building Blocks

black and gold computer chip sitting on a blue pleated surface
SemiconductorsSensorsNewsBiomedical

Silk-Based Transistors for Hybrid Applications

Silk incorporated as insulators could grant new sensing abilities to transistors

2 min read
different colored wavy lines leading to an ear opening against a blue background
BiomedicalSensorsNewsConsumer ElectronicsJournal Watch

Tech Gives Sound Directionality to Hearing Aids

System identifies faces and links them to speech

3 min read