Technology

How 3D printing could make better cooling systems

April 2, 2025
A new 3D-printed design could make an integral part of cooling systems like air conditioners or refrigerators smaller and more efficient, according to new research.   Heat exchangers are devices that whisk away heat, and they’re everywhere—used in data centers, ships, factories, and buildings. The aim is to pass as much heat as possible from one…

The Download: brain-computer interfaces, and teaching an AI model to give therapy

April 1, 2025
This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Brain-computer interfaces face a critical test Brain computer interfaces (BCIs) are electrodes put in paralyzed people’s brains so they can use imagined movements to send commands from their neurons through a wire, or…

Brain-computer interfaces face a critical test

April 1, 2025
Tech companies are always trying out new ways for people to interact with computers—consider efforts like Google Glass, the Apple Watch, and Amazon’s Alexa. You’ve probably used at least one. But the most radical option has been tried by fewer than 100 people on Earth—those who have lived for months or years with implanted brain-computer…

How do you teach an AI model to give therapy?

April 1, 2025
On March 27, the results of the first clinical trial for a generative AI therapy bot were published, and they showed that people in the trial who had depression or anxiety or were at risk for eating disorders benefited from chatting with the bot.  I was surprised by those results, which you can read about…

Construct Capital raises $300M fund for defense and manufacturing tech

April 1, 2025
Construct Capital, an early-stage venture capital firm that invests in startups applying technology to sectors like manufacturing, transportation, and defense, has closed its third fund with $300 million in capital commitments. The Washington D.C.-based firm previously raised a $225 million second fund and a $75 million capital pool for later-stage companies in 2022. While many […]

The Download: generative AI therapy, and the future of 23andMe’s genetic data

March 31, 2025
This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. The first trial of generative AI therapy shows it might help with depression The first clinical trial of a generative AI therapy bot suggests it was as effective as human therapy for people…

Beyond Bluesky: These are the apps building social experiences on the AT Protocol

March 30, 2025
A year ago, Bluesky was opening up to the public and was known as one of the many X competitors that emerged after Elon Musk acquired the network formerly known as Twitter. Today, Bluesky’s social network has grown to over 33 million users, while the technology it’s built upon — the AT Protocol (or ATProto […]

The first trial of generative AI therapy shows it might help with depression

March 28, 2025
The first clinical trial of a therapy bot that uses generative AI suggests it was as effective as human therapy for participants with depression, anxiety, or risk for developing eating disorders. Even so, it doesn’t give a go-ahead to the dozens of companies hyping such technologies while operating in a regulatory gray area.  A team…