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Business News > Mint Authors > Christopher Mims

Christopher Mims

ARTICLES BY CHRISTOPHER MIMS

LLMs are built using a technique called deep learning, in which a network of billions of neurons, simulated in software and modelled on the structure of the human brain, is exposed to trillions of examples of something to discover inherent patterns. (Image: Pixabay)

Large language models get all the hype, but small models do the real work

6 min read . 01 Nov 2025

(Illustration: Eliot Wyatt)

OpenAI wants city-sized AI supercomputers. First it needs custom chips.

5 min read . 17 Oct 2025

U.S. investors are making bets on yet-to-be-proven technologies that could yield even more capable robotics. (Image: Pixabay)

America’s manufacturing resurgence will be powered by these robots

5 min read . 09 Oct 2025

There’s an almost unanimous belief among AI pioneers that world models are crucial to creating next-generation AI. (Pexel)

The virtual worlds where AI is making its next big leap

4 min read . 27 Sept 2025

Another company is thinking about the EVs people already own: DartSolar wants to sell its solar boosters to add power to existing electric cars. (AFP)

Solar-powered cars and trucks are almost here

5 min read . 19 Sept 2025

Models of the multitiered chandeliers inside IBM Quantum System Two..Photographs by Clark Hodgin for WSJ

Good old IBM is leading the way in the race for ‘quantum advantage’

6 min read . 12 Sept 2025

Illustration: Daniel Hertzberg

Cutting-edge AI was supposed to get cheaper. It’s more expensive than ever.

5 min read . 30 Aug 2025

There are now nearly 12,000 fast-charging stations in the U.S., with around 60,000 total ports, according to EV-charging data platform Paren. (Bloomberg)

I drove an EV deep into the wilderness. I never feared running out of juice.

6 min read . 23 Aug 2025

(Illustration: James Steinberg)

Silicon Valley’s new strategy: Move slow and build things

4 min read . 01 Aug 2025

Positron’s microchips aim to be much more energy efficient than Nvidia’s at inference. (WSJ)

The new chips designed to solve AI’s energy problem

5 min read . 26 Jul 2025

Samples of Superwood, which is made from tree species that are otherwise unusable for construction, such as poplar, at InventWood’s facility in Frederick, Md.

It’s bulletproof, fire-resistant and stronger than steel. It’s superwood.

5 min read . 29 Jun 2025

Sample solid-state battery cells made by Ion Storage Systems at its pilot factory in Beltsville, Md. Photo: Christopher Mims/WSJ

A battery that lasts 50% longer is finally in production

5 min read . 21 Jun 2025

Illustration: Jarred Briggs

Why superintelligent AI isn’t taking over anytime soon

5 min read . 14 Jun 2025

Desalination plants on the ocean floor could help resolve the world's clean water crisis. (Image: Pixabay)

The world is running out of clean water. This technology promises to fix it.

5 min read . 07 Jun 2025

Synchron’s implant is placed inside a blood vessel in the brain. Photo: angela weiss/Agence France-Presse/Getty Images

Coming to a brain near you: A tiny computer

6 min read . 17 May 2025

Packages are loaded into Zipline’s delivery units. (WSJ)

The drone-delivery service beating Amazon to your front door

6 min read . 30 Mar 2025

Sam Altman’s involvement in World might also encourage competition between World and X, by virtue of Musk’s pugilistic nature and the already intense rivalry between Altman and Musk.

Sam Altman’s other startup wants you to prove you’re human

6 min read . 09 Mar 2025

Science fiction has long been full of robots that look, move and even think like we do. (Image: Pixabay)

Humanoid robots finally get real jobs

5 min read . 27 Feb 2025

Illustration: Dominic Bugatto

Why AI spending isn't slowing down

5 min read . 22 Feb 2025

The Manhattan Project Was Secret. Should America’s AI Work Be Too?

The Manhattan Project Was Secret. Should America’s AI Work Be Too?

6 min read . 01 Feb 2025