Fast company - tech

Tesla stock plummets, but its sky-high valuation persists. Here’s why

Tesla’s stock has dropped by nearly half in three months. Even so, investors are still debating whether Elon Musk’s electric-vehicle maker remains overpriced.

The company’s market capitalization has dropped 45% since hitting an all-time high of $1.5 trillion on December 17,

Cybertruck owners are joining a Facebook support group—and want to be a protected class

Cybertruck owners are having a tough time of it, increasingly saying that their $80,000-plus vehicles are the victims of cheese-related attacks and “anti-Nazi” harassment in response to Tesla CEO Elon Musk’s mass-firings role as head of the Trump administration’s Department of Governme

SEC to abandon plan for crypto firms to register as trading systems

The acting chief of the U.S. Securities and Exchange Commission said on Monday he has directed staff to look at ways to abandon a plan that would have widened the definition of alternative trading systems to include some cryptocurrency firms.

The SEC in 2022 proposed requiring some crypto firms to register as alternative trading systems, drawing criticism from the sector in the face of potentially heightened oversight and additional rules. Acting Chairman Mark Uyeda told an audienc

Nissan is testing driverless vehicles in city streets

The van makes its way slowly but surely through the city streets, braking gently when a car swerves into its lane. But its steering wheel is turning on its own, and there’s no one in the driver’s seat.

The driverless technology from Nissan Motor Corp., which u

How farmers are using AI on vineyards to make wine

When artificial intelligence-backed tractors became available to vineyards, Tom Gamble wanted to be an early adopter. He knew there would be a learning curve, but Gamble decided the technology was worth figuring out.

The third-generation farmer bought one autonomous tractor. He plans on deploying its self-driving feature this spring and is currently using the tractor’s AI sensor to map his Napa Valley vine

Social media might be making you sweat—literally

By now everyone knows that scrolling social media isn’t exactly good for you. But did you know it might be making you sweat? Researchers from the psychology department at Durham University tracked the physiological responses of scrolling on social media and found a rather strange side effect. 

The researchers asked 54 young adults to browse Instagram for 15 minutes while monitoring their heart ra

HUD is eyeing a crypto experiment. Some government workers are concerned

This story was originally published by ProPublica.

The U.S. Department of Housing and Urban Development is considering taking a first step to using cryptocurrency, according to a meeting recording and other materials reviewed by ProPublica and three officials familiar with the matter. Two officials told ProPublica they believe the initiati

AI slop is suffocating the web, says a new study

The generative AI revolution shows no sign of slowing as OpenAI recently rolled out its GPT-4.5 model to paying ChatGPT users, while competitors have announced plans to introduce their own latest models—including Anthropic, which unveiled Claude 3.7 Sonnet, its latest language model, late last month. But the ease of use of these AI models is having a material impact on the information we en

I tried out a bunch of the AI assistants. Here’s what you need to know about each one

Does it feel to you like there are way too many AI assistants to keep track of?

Between ChatGPT, Microsoft Copilot, Google Gemini, Anthropic Claude, DeepSeek, and others, it’s hard to remember what each one excels at—if anything. Beyond just the underlying differences in large language models, each AI assistant has its own features, integrations, premium features, and peculiarities.

I’m writing this guide both for myself and for anyone who wants to stay inform

TikTok’s ‘recession brunette’ trend signals tough economic times

Noticed all the blondes going back to their natural hair color lately? As much as many try to claim it’s because of a “hair health journey,” other factors seem to be at play here. 

“How’s the economy?” one TikTok user asks in a viral video. “Well, hasn’t been good for a while seems like my indicators tell me,” the former blonde says, measuring the inches of her incoming roots with her fingers.

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