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Brooke Becher Brooke Becher
Updated on February 03, 2026

Rare Earth Metals: What They Are and Why They’re Such a Big Deal Right Now

Rare earth metals are a key ingredient in modern tech — and a new flashpoint in the escalating U.S.-China trade war. As China flexes its rare earth monopoly, the race to secure these critical resources is reshaping global economic and security strategies.

Image: mykhailo pavenko / Shutterstock
Anthony Corbo Anthony Corbo
Updated on February 03, 2026

24 Largest Semiconductor Companies to Know

These semiconductor companies continue to advance hardware for new devices and AI systems.

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Brooke Becher Brooke Becher
Updated on February 03, 2026

A Guide to How America Controls Nvidia Chip Exports to China

Inside the evolving export-control system that determines whether Nvidia’s advanced AI chips reach Chinese data centers.

Image: Shutterstock
Jeff Rumage Jeff Rumage
Updated on February 03, 2026

Tesla, SpaceX, Neuralink and More: A Guide to Elon Musk’s Tech Empire

After selling dot-com era startups Zip2 and PayPal, Musk invested in techno-utopian projects like Tesla’s electric vehicles, Space X’s reusable rockets and Neuralink’s brain implants. In this article, we chronicle Musk’s evolution across his 10 companies.

Image: Built In / Shutterstock
Ben Koska Ben Koska
Updated on January 28, 2026

The Next Wave of AI Infrastructure Must Target Nvidia’s CUDA Moat

Nvidia built something incredible with CUDA, but for AI to meet its full potential, it’s time to move on.

Image: Shutterstock / Built In
Jeff Rumage Jeff Rumage
Updated on January 28, 2026

How to Land a Six-Figure Data Center Job

Data centers are popping up around the U.S. at a record pace, often promising hundreds of permanent jobs in smaller communities. But what exactly do these jobs entail — and how long will they stick around?

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Abel Rodriguez Abel Rodriguez
Updated on January 28, 2026

26 Defense Contractors to Know

These companies develop military-grade products like fighter jets and intelligence software, and they’re looking for top tech talent to join their teams.

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Brooke Becher Brooke Becher
Updated on January 28, 2026

AI-First Devices Are Coming. Could Any of Them Replace the iPhone?

From Meta’s new AR glasses to OpenAI’s mystery device, Silicon Valley is racing to build the next AI-first heir to the smartphone. The winner could not only dominate the hardware market, but reshape our entire relationship with artificial intelligence.

Image: Built In / Canva
Jeff Rumage Jeff Rumage
Updated on January 28, 2026

Trump Is Using Your Taxes to Boost Chipmaking and Rare Earths — But He Also Wants His Cut

The Trump administration is taking equity stakes in chipmakers and rare earth miners, transforming taxpayer dollars into a government stock portfolio worth over $10 billion.

President Donald Trump stands at a lectern.
Brooke Becher Brooke Becher
Updated on January 21, 2026

What Is Neuralink? What We Know So Far.

The Neuralink implant is a surgically-implanted brain-computer interface device designed to let users control a computer or mobile device using their brain activity. It is developed by Neuralink, a neurotechnology company founded by Elon Musk.

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