LOS ANGELES—Apple today announced and gave a first glimpse of its first major MacBook Pro redesign in more than five years. As rumored, it includes an OLED display and, for the first time on macOS, a touchscreen—a change Apple has long debated. (Former CEO Steve Jobs famously was opposed.)

Apple's demonstration video showed users interacting with applications by reaching up to touch the screen, including file dragging and multi-touch gestures like pinch-to-zoom. It does not appear to be a 2-in-1 convertible design, though; all the footage was of people reaching up to touch the screen in a normal laptop configuration.

The OLED display (which Apple is, of course, calling the PROLED XDR) seems to be the real highlight here, compared to earlier models: It can achieve 2,000 nits in terms of maximum brightness, and Apple says it has a 10,000,000:1 contrast ratio. References were made to burn-in protection, but details on which approach it's taking for that weren't yet shared. The display retains the 120 Hz variable refresh rate of its predecessors.

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Today, Apple rolled out the 27.2 updates for its operating systems, including iOS, macOS, watchOS, tvOS, visionOS, and so on.

Let's start with iOS 27.2. This update is heavily focused on Siri AI. It adds a memory feature to Siri, so it can "recall your past conversations" and reference them when chatting with you. It also expands what data sources Siri can access when giving responses to include voicemails, Messages attachments, and more.

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The Museo de Historia de la Computación in Spain has unveiled a 1:1 scale visual replica of the famous Cray-1 supercomputer from 1976. Instead of sourcing expensive, cutting-edge tech to run the system, the creative team powered the project with 30 2012-era Mac Minis. Developed over 18 months, the project serves as a 50th-anniversary tribute to the Cray-1 and Apple's founding.

Mac Minis from over a decade ago might not seem like the obvious first choice for building a cluster supercomputer, but when networked together, the developers can orchestrate the 64 active processing cores into a combined 1.3 teraflops of performance in their most recent tests. The museum reportedly achieved 1.5 teraflops previously using all 70 available cores, prior to one node going offline. Benchmarks were obtained using a custom matrix-multiplication Python script. Five PCs are quad-core i7s, and the remaining 25 are dual-core i5 models. Except for two units from 2014, the rest of the array dates to 2012.

The replica is a valuable tool for museum-goers to understand the shifts in computer architecture since 1976. The original Cray-1 used vector processing, applying a single instruction to multiple data elements simultaneously, whereas the replica distributes work across independent processors in a parallel cluster. The peak theoretical performance of the original Cray-1 was approximately 160 megaflops. What was originally a purpose-built research machine has been re-created with consumer hardware that's vastly more capable than the machine that inspired it.

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