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At every CES I've ever been to, there's been one or two gadgets promising to boost your mental health. In recent years, the number of companies making forays into this space has grown, and will likely continue to do so in the future. Could it be, much like the number of people wearing heart-monitoring wearables today, everyone will be strapping an EEG to their skulls a decade or so down the line? It's more likely than you think, so it's worth asking what these devices are good for, what benefit they could bring, and where does the science end and the hype begin.
An Electroencephalogram (EEG) is a clinical tool to monitor the electrical activity of our brains. Put very simply, our minds are constantly moving ions around, and when they reach the scalp, it's possible to measure those ions. By placing electrodes on the scalp, you can record the changes in voltages pushed out by our brains more or less in real time. These voltages are commonly grouped into categories, which are often described as brain waves. Each one represents a different state of mind: Gamma (hard thinking), Beta (anxious or active), Alpha (relaxed), Theta (creative, or dreaming) and Delta (asleep).
Professor Karl Friston at University College London is one of the world's most influential neuroscientists and an expert in brain imaging. He explained that these technologies can be used to diagnose issues both in the structure and function of the brain. And while there are many technologies which can look at how our brains work, "we're a long way away from understanding the brain like we understand the heart." Broadl
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Today marks the 20th anniversary of the introduction of the MacBook Pro, unveiled by Steve Jobs as a "One More Thing" segment at the end of his Macworld San Francisco keynote on January 10, 2006.
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Light focus could be the future of many beauty gadgets.
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 We tracked big discounts during the first full week of 2026, including a new record low price on the Apple Pencil Pro and pre-order discounts on Anker's just-announced collection of Nano chargers. Below you'll also find solid discounts on iPad mini 7, AirPods 4, and M5 MacBook Pro.
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ExpressVPN is back on sale again, and its two-year plans are up to 78 percent off right now. You can get the Advanced tier for $101 for 28 months. This is marked down from the $392 that this time frame normally costs. On a per-month basis, it works out to roughly $3.59 for the promo period.
We've consistently liked ExpressVPN because it's fast, easy to use and widely available across a large global server network. In fact, it's our current pick for best premium VPN. One of the biggest drawbacks has always been its high cost, and this deal temporarily solves that issue.
In our review we were able to get fast download and upload speeds, losing only 7 percent in the former and 2 percent in the latter worldwide. We found that it could unblock Netflix anywhere, and its mobile and desktop apps were simple to operate. We gave ExpressVPN an overall score of 85 out of 100.
The virtual private network service now has three tiers. Basic is cheaper with fewer features, while Pro costs more and adds extra perks like support for 14 simultaneous devices and a password manager. Advanced sits in the middle and includes the password manager but only supports 12 devices.
The Basic plan is $78 right now for 28 months, down from $363, and the Pro plan is $168, down from $560. That's 78 percent and 70 percent off, respectively. All plans carry a 30-day money-back guarantee for new users, so you can try it without committin
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Meta has announced three new agreements to purchase nuclear power for its AI infrastructure as well as the Prometheus supercluster, a 1-gigawatt data center being built in Ohio. The social media giant is partnering with power companies Vistra, TerraPower and Oklo to deliver an expected 6.6 gigawatts of generation to its projects by 2035.
The company's agreement with TerraPower will fund the development of two new reactors capable of delivering up to 690 megawatts of power as early as 2032. The deal also gives Meta rights to energy from six other reactors that could deliver an additional 2.1 gigawatts by 2035. All this power would come from TerraPower's "Natrium" reactors, which use sodium instead of water as a coolant.
A partnership with Oklo will bring 1.2 gigawatts of nuclear power online as early as 2030. Meta says the agreement opens the door to the construction of multiple Oklo reactors, which it claims will create thousands of construction and long-term operations jobs in Ohio. OpenAI CEO Sam Altman is one of Oklo's largest investors, and owns
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 Spam and cold calls have become such a nuisance that many people simply don't answer their phone unless they recognize the number. In iOS 26, though, you can learn about who's calling before you respond, thanks to a clever feature that intercepts unknown calls and asks the caller to identify themselves before your iPhone even rings.
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Elon Musk's Grok AI chatbot restricts the service to paid subscribers after outcry over images of undressed women and children. Critics say that is profiting from the problem.
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 Apple this week secured another victory in its ongoing legal dispute with heart monitoring company AliveCor, after a federal appeals court upheld a 2024 ruling that found Apple's changes to the Apple Watch were lawful product improvements rather than anticompetitive behavior.
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 Google today made three Gmail AI features free for all personal account holders in the United States, removing the subscription requirement that previously locked them behind its Google AI Pro or Ultra tiers.
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