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Top 5 Tech Briefs Quizzes of 2025

Learn which of our little tests were the most popular this year. Find out which five quizzes topped our 2025 list. Thanks for yet another year of loyal readership; we appreciate your devotion to Tech Briefs. Happy Holidays!

VoxeLite: Helping Users Feel the Digital World

By combining high spatial resolution with a comfortable, wearable form factor, VoxeLite recreates touch sensations, which could transform how people interact with digital environments, including more immersive virtual reality systems, assistive technologies for people with vision impairments, human-robot interfaces, and enhanced touchscreens.

My Opinion: How about HI?

It’s a mistake to focus on AI without thinking about how it is used by the people working with it.

The Light That Tells You a Car Is Driving Itself

As automated vehicles move closer to everyday reality, SAE J3134 establishes a clear visual language to signal when a car is driving itself. The blue-green ADS marker lamp, now the only global...

SAE Automotive Engineering Podcast: Additive Manufacturing

To help pass the time during your commute or while working around the house or in the garage, we've launched the SAE Automotive Engineering podcast.

Technology

What is the first noninvasive spinal cord stimulation system authorized by FD) for improving hand strength and sensation after chronic spinal cord injury?

A New Approach to Manufacturing Machine Connectivity for the Air Force

On this episode of the Aerospace & Defense Technology podcast, Corsha CEO Anusha Iyer explains how machine identity, continuous authentication, and secure connectivity are accelerating digital transformation for the U.S. Air Force Sustainment Center. Listen now!

How Do Hydraulic Brakes Work?

If you’ve ridden in a modern car, bus, truck, aircraft, or even on certain bicycles, you’ve used hydraulic brakes. You most certainly have used them, but do you know how they work? Find out with this quiz.

Wireless Patch Enables Early Cancer Detection

Researchers have developed a groundbreaking, battery-free wearable patch that could help detect skin cancer earlier and more accurately, potentially saving lives by making screening more...

2025 Holiday Gift Guide for Engineers: Tech, Tools, and Gadgets

We here at Tech Briefs want to remedy that toxic part of the holidays. So, we put together a list of terrific gift ideas for anyone — but especially the engineer — in your life.

Manufacturing the World's Tiniest Light-Emitting Diodes

Miniaturization ranks as the driving force behind the semiconductor industry. The tremendous gains in computer performance since the 1950s are largely due to the fact that ever smaller...

Scientists Create Superconducting Semiconductor Material

Scientists have long sought to make semiconductors that are also superconducting, thereby enhancing their speed and energy efficiency and enabling new quantum technologies. However,...

New Cooling Technique Could Make Computer Chips More Powerful

As more devices get piled onto computer chips to increase processing power capacity, heat generation becomes increasingly concentrated. This heat must be removed to keep chip...

An Electronic Fiber for Stretchable Sensing

The phrase ‘liquid metal’ may bring to mind something hazardous, like mercury or molten steel. But in the Laboratory of Photonic Materials and Fiber Devices (FIMAP) in EPFL’s School of...

Luxury EV Tackles Sand Dunes with Power and Precision

A new luxury electric SUV takes EV performance off-road, conquering massive sand dunes with 483 hp, 596 lb-ft of torque, and advanced torque-vectoring. Its 800-volt platform, adaptive air...

The Battery That Makes Its Own Hydrogen

A new containerised Battery-Electrolyser system is redefining what rural electrification can look like—storing energy like a conventional lead-acid battery, then flipping into hydrogen production with...

Revolutionizing the Production of Semiconductor Chips

Engineers at The University of Texas at Austin are leading an academic and industry all-star team that aims to revolutionize the production of semiconductor chips with a new 3D printing method.

New 3D-Printable Nanocomposite Prevents Overheating in Military Electronics

U.S. Army and university researchers collaborated to develop a 3D-printable material using tiny particles that conduct heat and can be used to more efficiently cool...

APFIT Invests $50 Million into US-Made Drone Battery Production for Air Force, Army, Navy, and SOCOM

The Defense Department’s APFIT program has committed up to $50 million to Packet Digital to fast-track production of advanced batteries...

New Defense Department Program Seeks 300,000 Drones From Industry by 2027

The U.S. Department of War, on Dec. 2, outlined a new program where it is seeking the development of more than 300,000 drones "quickly and inexpensively" from...

Developing Sustainable Drug-Delivery Devices

The challenges and opportunities in developing greener drug delivery solutions without compromising performance and safety.

How Packet Digital Is Scaling Domestic Drone Battery Manufacturing

On this episode of the Aerospace & Defense Technology podcast, Packet Digital CEO Terri Zimmerman breaks down the company’s push to expand U.S.-based production of advanced lithium-ion batteries for military unmanned aircraft systems. Listen now!

Mid-Air Transformation Is Here, and It’s Making Robots More Robust

ATMO, a new aerially transforming “morphabot,” seamlessly switches from quadrotor to ground vehicle mid-air using a single motor. Backed by aerodynamic studies and MPC...

How Tactile Sensing Is Turning Quadrupeds into Agile Load Carriers

A new CMU–UW–Google DeepMind system called LocoTouch is giving quadruped robots a human-like sense of balance—letting them carry unsecured loads across complex terrain...

Artemis II Mission Launch

As 2026 nears, NASA continues moving forward to launching Artemis II, the first crewed mission under the Artemis campaign, no later than April next year. Test your knowledge about the mission in this quiz.