Dell might have gone premium with the pricing on its XPS laptop line, but the XPS desktop PC series is still trying for the trifecta: sensible pricing that doesn't compromise on performance and aesthetics. The Dell XPS 8940 Special Edition isn't a super-budget offering, but it offers excellent value for the performance it's capable of. Naturally, there's the potential to upgrade your components later on, but this is a desktop PC that's designed to be future-proof so don't worry if you're not confident about the idea of tinkering with the internals of your computer. With a broad range of configurations to suit every budget, the XPS desktop starts at $750 and goes all the way up to a $2,430 powerhouse equipped with the latest components - an RTX 3080, 12th-gen Intel Core i7 processor, and 32GB of RAM - that will be perfect for demanding workloads like video editing. A clean design and relatively compact footprint mean that the XPS desktop looks just as at home on your own desk as it would in an office environment.
Adapters Needed: A Type-A-to-mini USB cable (opens in new tab) costs under $5, a Type-C-to-mini (opens in new tab) is available for under $10 and a micro USB-to-mini USB adapter goes for less than $5. Also Known As: Thunderbolt Description: The fastest common connection on the market today, Thunderbolt 3 can transfer data at up to 40 Gbps, four times faster than the fastest USB connection (USB 3.1 gen 2). This high-speed standard can also output to up to two 4K monitors at once, because a single port carries dual DisplayPort signals. On several new devices you can use Thunderbolt 3 to connect to an external graphics card, which allows you to play high-end games on an otherwise slim laptop. All Thunderbolt 3 ports use USB Type-C connections and double as USB Type-C ports, allowing them to connect to an entire universe of USB peripherals and, in most cases, to charge a laptop or tablet.
When the controller does write, it sends a vector of information to the chosen location in memory. Every time information is written, the locations are connected by links of association, which represent the order in which information was stored. As well as writing, the controller can read from multiple locations in memory. Memory can be searched based on the content of each location, or the associative temporal links can be followed forward and backward to recall information written in sequence or in reverse. The read out information can be used to produce answers to questions or actions to take in an environment. Together, these operations give DNCs the ability to make choices about how they allocate memory, store information in memory, and easily find it once there. To the non-technical reader, it may seem a bit odd that we have repeatedly used phrases like “the controller can” or “differentiable neural computers …
In a preprint posted online Thursday night, researchers at Google in collaboration with physicists at Stanford, Princeton and other universities say that they have used Google’s quantum computer to demonstrate a genuine “time crystal.” In addition, a separate research group claimed earlier this month to have created a time crystal in a diamond. A novel phase of matter that physicists have strived to realize for many years, a time crystal is an object whose parts move in a regular, repeating cycle, sustaining this constant change without burning any energy. “The consequence is amazing: You evade the second law of thermodynamics,” said Roderich Moessner, director of the Max Planck Institute for the Physics of Complex Systems in Dresden, Germany, and a co-author on the Google paper. That’s the law that says disorder always increases. Time crystals are also the first objects to spontaneously break “time-translation symmetry,” the usual rule that a stable object will remain the same throughout time. A time crystal is both stable and ever-changing, with special moments that come at periodic intervals in time.
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