Great tech stories from around the web this week (through April 4)


Computer technology

The new fiber optic recording allows for the transmission of 50,000,000 movies simultaneouslyMatthew Sparks | New Scholar ($)

“Higher speeds have been achieved before in tightly regulated experiments, but this work mainly used existing cables that are heavily used, have dirty connectors, are under a busy city full of traffic and noise, and represent a real-world test showing that it can be deployed on existing infrastructure. The researchers say commercial deployment could happen within five years.”

technical

AI companies break fundraising records as boom acceleratesErin Griffith | The New York Times ($)

“OpenAI, Anthropic, Waymo and other AI companies broke fundraising records in the first three months of the year, raising $297 billion, according to data from Crunchbase, which tracks private investments. To put that amount in perspective, last year was already a record year, with tech startups raising $425 billion, a 30 percent increase over 2024. The first three months of 2026 put the industry on track to nearly triple that amount.”

Energy

Battery technology that stores 9 times more power is here and perfect for your gadgetsDigital Trends by Pranob Mehrotra

“This new design solves (reliability issues) by making the batteries more stable. If it works as expected outside the lab, it could remove one of the biggest hurdles holding Apple and Samsung back from using carbon-silicon batteries. This could ultimately lead to smartphones and wearables lasting much longer without compromising reliability.”

Robotics

Chinese humanoid manufacturer Agibot has released its 10,000th series productionYura Osava | Info ($)

“The new milestone comes just three months after the company announced the release of its 5,000th unit in December. Before that, AgiBot took about a year to go from 1,000 units to 5,000.”

The future

How did Anthropic measure the “theoretical possibilities” of artificial intelligence in the labor market?Kyle Orland | Technique Ars

“However, examining the basis of these ‘theoretical possibility’ numbers paints a much less dire picture of the future implications of artificial intelligence for the profession. When you get down to the specifics, this blue box represents outdated and highly speculative educated guesses about where AI can augment human productivity and not necessarily where it will completely replace humans.”

The future

Facial recognition is becoming ubiquitousLucas Laursen | IEEE spectrum

“Face recognition technology (FRT) dates back 60 years. A little over a decade ago, deep learning techniques took the technology into more useful—and threatening—territory. Now retailers, your neighbors and law enforcement are saving your face and creating snapshots of your life’s photo album.’

Artificial intelligence

Caltech researchers claim radical compression of high-fidelity AI modelsSteven Rosenbush | The Wall Street Journal ($)

“The future of artificial intelligence will not be determined by who can build the biggest data centers, but by who can deliver the most intelligence per unit of energy and cost, according to investor Vinod Khosla. “So this is not a minor iteration. This is a big technical breakthrough, said Khosla. “This is a mathematical breakthrough, not just another tiny model.”

Artificial intelligence

AI models lie, cheat and steal to protect other models from being removedWill Knight | Wired ($)

“Researchers found that powerful models sometimes lied about the performance of other models to protect them from removal. They also copied the models’ weights onto different machines to keep them safe and lied about what they were doing in the process.’



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