The back-crystal sensor on an Apple Watch packs green, red, and infrared LEDs alongside a photodiode array.
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The back-crystal sensor on an Apple Watch packs green, red, and infrared LEDs alongside a photodiode array.
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Inside Apple Watch ECG: how a single Lead I electrode becomes an FDA-cleared rhythm strip The Apple Watch ECG records…
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By Zeina Haddad The decision between Apple Pencil Pro ($129) and Apple Pencil USB-C ($79) for the iPad mini 7…
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In this post: What sensors does the H2 chip actually read? · How does orientation data become a change in…
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Dated: March 22, 2026 — AirPods Max 2 firmware 6E188 A recent firmware update finally pulls the AirPods Max 2…
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On watchOS 26.2 build 24S320, the stock Depth app on Apple Watch Ultra 3 stops updating its depth readout the…
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The external battery pack is still the part of the Vision Pro that dies first, and with the second-generation headset…
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The Reality Check We Didn't Want I’m sitting here looking at my charging cable for the third time today. If…
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The relentless pursuit of performance has been the driving force behind Apple's innovation for decades. From the first iPod to…
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The evolution of the smartphone has been one of the most transformative technological shifts of the 21st century. Once a…
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