Hardware Articles

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Brooke Becher Brooke Becher
Updated on April 07, 2025

What Is a Water Battery?

This century-old technology helps stabilize the grid during peak demand and can restore power after blackouts. Here’s how it works.

Image: Peter Gudella / Shutterstock
Hal Koss Hal Koss
Updated on April 03, 2025

Jetpacks Have Come a Long Way, Actually

But you probably won’t own one anytime soon.

Jetpacks Have Come a Long Way, Actually
Brian Nordli Brian Nordli
Updated on April 03, 2025

Engineering a New Way to Experience Music

Daniel Belquer built a device that translates music into vibrations. We spoke with him about the prototyping process.

Engineering a New Way to Experience Music
Stephen Gossett Stephen Gossett
Updated on April 03, 2025

Relativity Space is 3D Printing Rockets to Launch into Orbit

When your mission is unprecedented, sometimes that means inventing a whole new toolkit.

Yuval Boger Yuval Boger
Updated on April 01, 2025

How to Solve the Talent Crunch Facing Quantum Tech

Don’t let the lack of trained quantum specialists hold your organization back. Our expert explains how to build a quantum-ready workforce.

Image: Shutterstock / Built In
Brooke Becher Brooke Becher
Updated on March 31, 2025

How Do Virtual Reality (VR) Headsets Work?

By seamlessly blending simulated sight, sound and touch, VR headsets trick the brain into experiencing virtual realities as if they were real. Here’s a look at the technology behind the experience.

Image: Damir Khabirov / Shutterstock
Brooke Becher Brooke Becher
Updated on March 31, 2025

15 Graphene Companies Leading the Industry

Known for being remarkably strong, lightweight and flexible, graphene stands to revolutionize industries from electronics to aerospace. Here’s a look at some of the top companies driving its development and innovation. 

Image: Shutterstock
Brooke Becher Brooke Becher
Updated on March 26, 2025

18 Advanced Materials Companies to Know

Advanced materials are engineered to have enhanced properties — whether that be exceptional strength, improved conductivity or resistance to extreme temperatures. Here are some of the top companies leading the way in this innovative field.

Image: Dabarti CGI / Shutterstock
Nona Tepper Nona Tepper
Updated on March 25, 2025

Building a 3D Printer That Self-Corrects With AI

The hardest part is perfecting the machine-vision technology.

Building a 3D Printer That Self-Corrects With AI
Mae Rice Mae Rice
Updated on March 25, 2025

The U.S. Is Desperate for Ventilators and N95 Masks. Can We 3D Print Them?

Not exactly. But 3D printers can help in other ways.

The U.S. Is Desperate for Ventilators and N95 Masks. Can We 3D Print Them?