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At this point, AR headsets still need to be wired to a computer. Wireless VR and mixed-reality headsets are just becoming available, most notably the Oculus Go, Lenovo's Google-powered Mirage Solo and the Windows Mixed Reality crew. There are a host of AR headsets in development, or rumored to be in development, from companies like Apple and Samsung and the Magic Leap One. Of course, Google's most notable competitor in the AR arena is probably the Microsoft HoloLens, which is predominantly used for commercial applications. Between Bose, Sony and now Apple AirPods Pro, active noise-canceling headphones are all the rage. And now, we're seeing an old favorite from Sennheiser that's currently just at Amazon -- down from 0. We reviewed the nearly identical Sennheiser HD 4.50 BTNC two years ago, and found it to be a formidable Bose competitor at that 0 price. That model is down to 8 on Amazon, but this model -- the HD 4.50 SE -- has literally the exact same specs, aside from some cosmetic color differences. 

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____ I'm getting ahead of myself. Let's first get into the numbers. The Schiit website claims, "Aegir uses an exotic current-feedback topology, as well as a 100 percent linear power supply (with 7 separate voltage rails and 600VA transformer) and microprocessor oversight to eliminate capacitors and DC servos in the signal path." That's tech speak for a rather advanced design not typically seen in such an affordable amp. Easier to understand numbers include power ratings of 20 watts per channel into 8 ohms, doubling to 40 watts per channel into 4 ohms. For 4 or 8 ohm speakers, the Aegir's first 10 watts per channel are pure Class A watts, from 10 to 20 watts Schiit describes the power as "Class A like" watts. Meaning they don't conform to the strict definition of Class A designs. I have no way to verify any of that, but I will say the Aegir is the best sounding Schiit product I've tested.

Schedule a TripThe woman was flown to Boston, where some of the researchers are based, for brain scans and other tests. Those results were puzzling, said Yakeel Quiroz, a Colombian neuropsychologist who directs the familial dementia neuroimaging lab at Massachusetts General Hospital. Its price undercuts the monthly fee for Netflix's most popular plan in the US, which lets you stream to two different devices simultaneously in high definition. Disney Plus, however, allows all subscribers to stream to four devices and access 4K content at no extra cost -- features Netflix includes in its premium tier. 

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The problem stems from the instrument panel. According to the report filed with NHTSA, a supplier error during a lamination process resulted in panels containing adhesive not specified for the intended purpose. This creates the possibility that the cover over the passenger front airbag might not work as intended in a crash, potentially hindering airbag deployment and increasing the risk of injury. Trump is also good for Twitter's business. Earlier this year, the company acknowledged a "Trump bump" that boosted the platform to 328 million monthly users (it's now at 330 million). In August, James Cakmak, an analyst with Monness, Crespi & Hardt, told Bloomberg Twitter would lose about billion in market value simply if Trump stopped tweeting.